157902053 has 2 divisors, whose sum is σ = 157902054. Its totient is φ = 157902052.

The previous prime is 157901981. The next prime is 157902067. The reversal of 157902053 is 350209751.

157902053 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., 138250564 + 19651489 = 11758^2 + 4433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157902053 is a prime.

It is a super-2 number, since 2×157902053² = 49866116683229618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157902653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78951026 + 78951027.

It is an arithmetic number, because the mean of its divisors is an integer number (78951027).

Almost surely, 2^157902053 is an apocalyptic number.

It is an amenable number.

157902053 is a deficient number, since it is larger than the sum of its proper divisors (1).

157902053 is an equidigital number, since it uses as much as digits as its factorization.

157902053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 157902053 is about 12565.9083635048. The cubic root of 157902053 is about 540.5002828263.

The spelling of 157902053 in words is "one hundred fifty-seven million, nine hundred two thousand, fifty-three".