157310057 has 2 divisors, whose sum is σ = 157310058. Its totient is φ = 157310056.

The previous prime is 157310029. The next prime is 157310077. The reversal of 157310057 is 750013751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 27258841 = 11404^2 + 5221^2 .

It is an emirp because it is prime and its reverse (750013751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157310057 - 2²⁰ = 156261481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157310077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78655028 + 78655029.

It is an arithmetic number, because the mean of its divisors is an integer number (78655029).

Almost surely, 2^157310057 is an apocalyptic number.

It is an amenable number.

157310057 is a deficient number, since it is larger than the sum of its proper divisors (1).

157310057 is an equidigital number, since it uses as much as digits as its factorization.

157310057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 157310057 is about 12542.3306047959. The cubic root of 157310057 is about 539.8239675421.

The spelling of 157310057 in words is "one hundred fifty-seven million, three hundred ten thousand, fifty-seven".