125016525 has 36 divisors (see below), whose sum is σ = 229985652. Its totient is φ = 64869120.

The previous prime is 125016499. The next prime is 125016527. The reversal of 125016525 is 525610521.

125016525 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 1 + 652 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1764 + 125014761 = 42^2 + 11181^2 .

It is not a de Polignac number, because 125016525 - 2¹³ = 125008333 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125016527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 817 + ... + 15833.

Almost surely, 2^125016525 is an apocalyptic number.

125016525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125016525 is a deficient number, since it is larger than the sum of its proper divisors (104969127).

125016525 is a wasteful number, since it uses less digits than its factorization.

125016525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070 (or 15062 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 125016525 is about 11181.0788835425. The cubic root of 125016525 is about 500.0220323625.

The spelling of 125016525 in words is "one hundred twenty-five million, sixteen thousand, five hundred twenty-five".