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125213353 is a prime number
BaseRepresentation
bin1110111011010…
…01101010101001
322201121111102121
413131221222221
5224023311403
620231431241
73050203336
oct735515251
9281544377
10125213353
1164752711
1235b25521
131cc30b55
14128b598d
15aed53bd
hex7769aa9

125213353 has 2 divisors, whose sum is σ = 125213354. Its totient is φ = 125213352.

The previous prime is 125213351. The next prime is 125213393. The reversal of 125213353 is 353312521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 58186384 = 8187^2 + 7628^2 .

It is a cyclic number.

It is not a de Polignac number, because 125213353 - 21 = 125213351 is a prime.

Together with 125213351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125213351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62606676 + 62606677.

It is an arithmetic number, because the mean of its divisors is an integer number (62606677).

Almost surely, 2125213353 is an apocalyptic number.

It is an amenable number.

125213353 is a deficient number, since it is larger than the sum of its proper divisors (1).

125213353 is an equidigital number, since it uses as much as digits as its factorization.

125213353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 125213353 is about 11189.8772558058. The cubic root of 125213353 is about 500.2843089728.

Adding to 125213353 its reverse (353312521), we get a palindrome (478525874).

The spelling of 125213353 in words is "one hundred twenty-five million, two hundred thirteen thousand, three hundred fifty-three".