125252525 has 12 divisors (see below), whose sum is σ = 157281600. Its totient is φ = 98932080.

The previous prime is 125252521. The next prime is 125252527. The reversal of 125252525 is 525252521.

It is not a de Polignac number, because 125252525 - 2² = 125252521 is a prime.

It is an alternating number because its digits alternate between odd and even.

125252525 is a modest number, since divided by 252525 gives 125 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29735 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (13106800).

Almost surely, 2^125252525 is an apocalyptic number.

It is an amenable number.

125252525 is a deficient number, since it is larger than the sum of its proper divisors (32029075).

125252525 is an equidigital number, since it uses as much as digits as its factorization.

125252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63508 (or 63503 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 125252525 is about 11191.6274509117. The cubic root of 125252525 is about 500.3364735203.

The spelling of 125252525 in words is "one hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".