485339231257 has 2 divisors, whose sum is σ = 485339231258. Its totient is φ = 485339231256.

The previous prime is 485339231239. The next prime is 485339231357. The reversal of 485339231257 is 752132933584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474044643081 + 11294588176 = 688509^2 + 106276^2 .

It is a cyclic number.

It is not a de Polignac number, because 485339231257 - 2³⁵ = 450979492889 is a prime.

It is not a weakly prime, because it can be changed into another prime (485339231357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242669615628 + 242669615629.

It is an arithmetic number, because the mean of its divisors is an integer number (242669615629).

Almost surely, 2^485339231257 is an apocalyptic number.

It is an amenable number.

485339231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

485339231257 is an equidigital number, since it uses as much as digits as its factorization.

485339231257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 52.

The spelling of 485339231257 in words is "four hundred eighty-five billion, three hundred thirty-nine million, two hundred thirty-one thousand, two hundred fifty-seven".