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125345353 = 717906479
BaseRepresentation
bin1110111100010…
…01111001001001
322201212012111111
413132021321021
5224042022403
620234330321
73051263230
oct736117111
9281765444
10125345353
1164832901
1235b899a1
131cc78c63
141290bb17
15b00e56d
hex7789e49

125345353 has 4 divisors (see below), whose sum is σ = 143251840. Its totient is φ = 107438868.

The previous prime is 125345347. The next prime is 125345383. The reversal of 125345353 is 353543521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353543521 = 2003176507.

It is a cyclic number.

It is not a de Polignac number, because 125345353 - 25 = 125345321 is a prime.

It is a super-2 number, since 2×1253453532 = 31422915037389218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125345303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953233 + ... + 8953246.

It is an arithmetic number, because the mean of its divisors is an integer number (35812960).

Almost surely, 2125345353 is an apocalyptic number.

It is an amenable number.

125345353 is a deficient number, since it is larger than the sum of its proper divisors (17906487).

125345353 is an equidigital number, since it uses as much as digits as its factorization.

125345353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906486.

The product of its digits is 27000, while the sum is 31.

The square root of 125345353 is about 11195.7738901784. The cubic root of 125345353 is about 500.4600472499.

Adding to 125345353 its reverse (353543521), we get a palindrome (478888874).

The spelling of 125345353 in words is "one hundred twenty-five million, three hundred forty-five thousand, three hundred fifty-three".

Divisors: 1 7 17906479 125345353