157025507 has 2 divisors, whose sum is σ = 157025508. Its totient is φ = 157025506.

The previous prime is 157025503. The next prime is 157025513. The reversal of 157025507 is 705520751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157025507 - 2² = 157025503 is a prime.

It is equal to p_8817008 and since 157025507 and 8817008 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (157025503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78512753 + 78512754.

It is an arithmetic number, because the mean of its divisors is an integer number (78512754).

Almost surely, 2^157025507 is an apocalyptic number.

157025507 is a deficient number, since it is larger than the sum of its proper divisors (1).

157025507 is an equidigital number, since it uses as much as digits as its factorization.

157025507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 157025507 is about 12530.9818849123. The cubic root of 157025507 is about 539.4982845708.

The spelling of 157025507 in words is "one hundred fifty-seven million, twenty-five thousand, five hundred seven".