485513657 has 2 divisors, whose sum is σ = 485513658. Its totient is φ = 485513656.

The previous prime is 485513627. The next prime is 485513671. The reversal of 485513657 is 756315584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460703296 + 24810361 = 21464^2 + 4981^2 .

It is a cyclic number.

It is not a de Polignac number, because 485513657 - 2⁸ = 485513401 is a prime.

It is a super-2 number, since 2×485513657² = 471447022267027298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (485513627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242756828 + 242756829.

It is an arithmetic number, because the mean of its divisors is an integer number (242756829).

Almost surely, 2^485513657 is an apocalyptic number.

It is an amenable number.

485513657 is a deficient number, since it is larger than the sum of its proper divisors (1).

485513657 is an equidigital number, since it uses as much as digits as its factorization.

485513657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 44.

The square root of 485513657 is about 22034.3744408594. The cubic root of 485513657 is about 785.9600716314.

The spelling of 485513657 in words is "four hundred eighty-five million, five hundred thirteen thousand, six hundred fifty-seven".