157573613 has 2 divisors, whose sum is σ = 157573614. Its totient is φ = 157573612.

The previous prime is 157573579. The next prime is 157573627. The reversal of 157573613 is 316375751.

157573613 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 can be written as a sum of positive squares in only one way, i.e., 148888804 + 8684809 = 12202^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 157573613 - 2¹⁴ = 157557229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157573673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78786806 + 78786807.

It is an arithmetic number, because the mean of its divisors is an integer number (78786807).

Almost surely, 2^157573613 is an apocalyptic number.

It is an amenable number.

157573613 is a deficient number, since it is larger than the sum of its proper divisors (1).

157573613 is an equidigital number, since it uses as much as digits as its factorization.

157573613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 38.

The square root of 157573613 is about 12552.8328675244. The cubic root of 157573613 is about 540.1252715768.

The spelling of 157573613 in words is "one hundred fifty-seven million, five hundred seventy-three thousand, six hundred thirteen".