797765425 has 6 divisors (see below), whose sum is σ = 989229158. Its totient is φ = 638212320.

The previous prime is 797765411. The next prime is 797765429. The reversal of 797765425 is 524567797.

It can be written as a sum of positive squares in 3 ways, for example, as 9784384 + 787981041 = 3128^2 + 28071^2 .

It is a de Polignac number, because none of the positive numbers 2^k-797765425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797765429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15955284 + ... + 15955333.

Almost surely, 2^797765425 is an apocalyptic number.

It is an amenable number.

797765425 is a deficient number, since it is larger than the sum of its proper divisors (191463733).

797765425 is a wasteful number, since it uses less digits than its factorization.

797765425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31910627 (or 31910622 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

The square root of 797765425 is about 28244.7415459940. The cubic root of 797765425 is about 927.4526291851.

The spelling of 797765425 in words is "seven hundred ninety-seven million, seven hundred sixty-five thousand, four hundred twenty-five".