157059631 has 2 divisors, whose sum is σ = 157059632. Its totient is φ = 157059630.

The previous prime is 157059599. The next prime is 157059641. The reversal of 157059631 is 136950751.

157059631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157059631 - 2⁵ = 157059599 is a prime.

It is a super-2 number, since 2×157059631² = 49335455379712322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157059641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78529815 + 78529816.

It is an arithmetic number, because the mean of its divisors is an integer number (78529816).

Almost surely, 2^157059631 is an apocalyptic number.

157059631 is a deficient number, since it is larger than the sum of its proper divisors (1).

157059631 is an equidigital number, since it uses as much as digits as its factorization.

157059631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 157059631 is about 12532.3433961889. The cubic root of 157059631 is about 539.5373620990.

The spelling of 157059631 in words is "one hundred fifty-seven million, fifty-nine thousand, six hundred thirty-one".