770025131 has 2 divisors, whose sum is σ = 770025132. Its totient is φ = 770025130.

The previous prime is 770025071. The next prime is 770025163. The reversal of 770025131 is 131520077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 770025131 - 2²² = 765830827 is a prime.

It is a super-2 number, since 2×770025131² = 1185877404743134322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770025131.

It is not a weakly prime, because it can be changed into another prime (770055131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385012565 + 385012566.

It is an arithmetic number, because the mean of its divisors is an integer number (385012566).

Almost surely, 2^770025131 is an apocalyptic number.

770025131 is a deficient number, since it is larger than the sum of its proper divisors (1).

770025131 is an equidigital number, since it uses as much as digits as its factorization.

770025131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 770025131 is about 27749.3266765160. The cubic root of 770025131 is about 916.5756168446.

The spelling of 770025131 in words is "seven hundred seventy million, twenty-five thousand, one hundred thirty-one".