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125260225 = 525010409
BaseRepresentation
bin1110111011101…
…01000111000001
322201200212201121
413131311013001
5224031311400
620232432241
73050460106
oct735650701
9281625647
10125260225
1164784952
1235b48681
131cc4929c
14128c8aad
15aee421a
hex77751c1

125260225 has 6 divisors (see below), whose sum is σ = 155322710. Its totient is φ = 100208160.

The previous prime is 125260169. The next prime is 125260241. The reversal of 125260225 is 522062521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2582449 + 122677776 = 1607^2 + 11076^2 .

It is not a de Polignac number, because 125260225 - 219 = 124735937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5010409 = 125260225 / (1 + 2 + 5 + 2 + 6 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 125260225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505180 + ... + 2505229.

Almost surely, 2125260225 is an apocalyptic number.

It is an amenable number.

125260225 is a deficient number, since it is larger than the sum of its proper divisors (30062485).

125260225 is an equidigital number, since it uses as much as digits as its factorization.

125260225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010419 (or 5010414 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125260225 is about 11191.9714527870. The cubic root of 125260225 is about 500.3467261730.

The spelling of 125260225 in words is "one hundred twenty-five million, two hundred sixty thousand, two hundred twenty-five".

Divisors: 1 5 25 5010409 25052045 125260225