157532371 has 2 divisors, whose sum is σ = 157532372. Its totient is φ = 157532370.

The previous prime is 157532311. The next prime is 157532381. The reversal of 157532371 is 173235751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157532371 - 2²³ = 149143763 is a prime.

It is not a weakly prime, because it can be changed into another prime (157532311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78766185 + 78766186.

It is an arithmetic number, because the mean of its divisors is an integer number (78766186).

Almost surely, 2^157532371 is an apocalyptic number.

157532371 is a deficient number, since it is larger than the sum of its proper divisors (1).

157532371 is an equidigital number, since it uses as much as digits as its factorization.

157532371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 34.

The square root of 157532371 is about 12551.1900232607. The cubic root of 157532371 is about 540.0781448409.

The spelling of 157532371 in words is "one hundred fifty-seven million, five hundred thirty-two thousand, three hundred seventy-one".