464997557 has 2 divisors, whose sum is σ = 464997558. Its totient is φ = 464997556.

The previous prime is 464997541. The next prime is 464997587. The reversal of 464997557 is 755799464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330112561 + 134884996 = 18169^2 + 11614^2 .

It is a cyclic number.

It is not a de Polignac number, because 464997557 - 2⁴ = 464997541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464997527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232498778 + 232498779.

It is an arithmetic number, because the mean of its divisors is an integer number (232498779).

Almost surely, 2^464997557 is an apocalyptic number.

It is an amenable number.

464997557 is a deficient number, since it is larger than the sum of its proper divisors (1).

464997557 is an equidigital number, since it uses as much as digits as its factorization.

464997557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 56.

The square root of 464997557 is about 21563.8020070673. The cubic root of 464997557 is about 774.7297327459.

The spelling of 464997557 in words is "four hundred sixty-four million, nine hundred ninety-seven thousand, five hundred fifty-seven".