157516725 has 24 divisors (see below), whose sum is σ = 264849120. Its totient is φ = 82582720.

The previous prime is 157516657. The next prime is 157516727. The reversal of 157516725 is 527615751.

157516725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157516725 - 2¹² = 157512629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157516727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13374 + ... + 22223.

It is an arithmetic number, because the mean of its divisors is an integer number (11035380).

Almost surely, 2^157516725 is an apocalyptic number.

157516725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157516725 is a deficient number, since it is larger than the sum of its proper divisors (107332395).

157516725 is a wasteful number, since it uses less digits than its factorization.

157516725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669 (or 35664 counting only the distinct ones).

The product of its digits is 73500, while the sum is 39.

The square root of 157516725 is about 12550.5667202720. The cubic root of 157516725 is about 540.0602641933.

The spelling of 157516725 in words is "one hundred fifty-seven million, five hundred sixteen thousand, seven hundred twenty-five".