157255361 has 2 divisors, whose sum is σ = 157255362. Its totient is φ = 157255360.

The previous prime is 157255339. The next prime is 157255367. The reversal of 157255361 is 163552751.

157255361 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., 128686336 + 28569025 = 11344^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 157255361 - 2⁶ = 157255297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157255367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78627680 + 78627681.

It is an arithmetic number, because the mean of its divisors is an integer number (78627681).

Almost surely, 2^157255361 is an apocalyptic number.

It is an amenable number.

157255361 is a deficient number, since it is larger than the sum of its proper divisors (1).

157255361 is an equidigital number, since it uses as much as digits as its factorization.

157255361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 35.

The square root of 157255361 is about 12540.1499592310. The cubic root of 157255361 is about 539.7613955002.

The spelling of 157255361 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, three hundred sixty-one".