500887157 has 2 divisors, whose sum is σ = 500887158. Its totient is φ = 500887156.

The previous prime is 500887151. The next prime is 500887171. The reversal of 500887157 is 751788005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301682161 + 199204996 = 17369^2 + 14114^2 .

It is a cyclic number.

It is not a de Polignac number, because 500887157 - 2⁴ = 500887141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500887151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250443578 + 250443579.

It is an arithmetic number, because the mean of its divisors is an integer number (250443579).

Almost surely, 2^500887157 is an apocalyptic number.

It is an amenable number.

500887157 is a deficient number, since it is larger than the sum of its proper divisors (1).

500887157 is an equidigital number, since it uses as much as digits as its factorization.

500887157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 500887157 is about 22380.5084169239. The cubic root of 500887157 is about 794.1696732736.

The spelling of 500887157 in words is "five hundred million, eight hundred eighty-seven thousand, one hundred fifty-seven".