157265313 has 4 divisors (see below), whose sum is σ = 209687088. Its totient is φ = 104843540.

The previous prime is 157265293. The next prime is 157265357. The reversal of 157265313 is 313562751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157265313 - 2¹⁸ = 157003169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157263313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26210883 + ... + 26210888.

It is an arithmetic number, because the mean of its divisors is an integer number (52421772).

Almost surely, 2^157265313 is an apocalyptic number.

It is an amenable number.

157265313 is a deficient number, since it is larger than the sum of its proper divisors (52421775).

157265313 is an equidigital number, since it uses as much as digits as its factorization.

157265313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52421774.

The product of its digits is 18900, while the sum is 33.

The square root of 157265313 is about 12540.5467584153. The cubic root of 157265313 is about 539.7727816347.

The spelling of 157265313 in words is "one hundred fifty-seven million, two hundred sixty-five thousand, three hundred thirteen".