157725525 has 12 divisors (see below), whose sum is σ = 260772992. Its totient is φ = 84120240.

The previous prime is 157725499. The next prime is 157725527. The reversal of 157725525 is 525527751.

It is not a de Polignac number, because 157725525 - 2⁷ = 157725397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157725527) 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, 1051429 + ... + 1051578.

Almost surely, 2^157725525 is an apocalyptic number.

157725525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157725525 is a deficient number, since it is larger than the sum of its proper divisors (103047467).

157725525 is a wasteful number, since it uses less digits than its factorization.

157725525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103020 (or 2103015 counting only the distinct ones).

The product of its digits is 122500, while the sum is 39.

The square root of 157725525 is about 12558.8823149196. The cubic root of 157725525 is about 540.2987886927.

The spelling of 157725525 in words is "one hundred fifty-seven million, seven hundred twenty-five thousand, five hundred twenty-five".