125717525 has 12 divisors (see below), whose sum is σ = 156097152. Its totient is φ = 100440240.

The previous prime is 125717507. The next prime is 125717531. The reversal of 125717525 is 525717521.

It is not a de Polignac number, because 125717525 - 2¹² = 125713429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18662 + ... + 24488.

It is an arithmetic number, because the mean of its divisors is an integer number (13008096).

Almost surely, 2^125717525 is an apocalyptic number.

It is an amenable number.

125717525 is a deficient number, since it is larger than the sum of its proper divisors (30379627).

125717525 is an equidigital number, since it uses as much as digits as its factorization.

125717525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700 (or 6695 counting only the distinct ones).

The product of its digits is 24500, while the sum is 35.

The square root of 125717525 is about 11212.3826638231. The cubic root of 125717525 is about 500.9548752656.

The spelling of 125717525 in words is "one hundred twenty-five million, seven hundred seventeen thousand, five hundred twenty-five".