157260791 has 2 divisors, whose sum is σ = 157260792. Its totient is φ = 157260790.

The previous prime is 157260757. The next prime is 157260809. The reversal of 157260791 is 197062751.

It is a strong prime.

It is an emirp because it is prime and its reverse (197062751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157260791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157260721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78630395 + 78630396.

It is an arithmetic number, because the mean of its divisors is an integer number (78630396).

Almost surely, 2^157260791 is an apocalyptic number.

157260791 is a deficient number, since it is larger than the sum of its proper divisors (1).

157260791 is an equidigital number, since it uses as much as digits as its factorization.

157260791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 157260791 is about 12540.3664619500. The cubic root of 157260791 is about 539.7676080508.

The spelling of 157260791 in words is "one hundred fifty-seven million, two hundred sixty thousand, seven hundred ninety-one".