464000557 has 2 divisors, whose sum is σ = 464000558. Its totient is φ = 464000556.

The previous prime is 464000507. The next prime is 464000561. The reversal of 464000557 is 755000464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460488681 + 3511876 = 21459^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 464000557 - 2⁷ = 464000429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464000507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232000278 + 232000279.

It is an arithmetic number, because the mean of its divisors is an integer number (232000279).

Almost surely, 2^464000557 is an apocalyptic number.

It is an amenable number.

464000557 is a deficient number, since it is larger than the sum of its proper divisors (1).

464000557 is an equidigital number, since it uses as much as digits as its factorization.

464000557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 464000557 is about 21540.6721575721. The cubic root of 464000557 is about 774.1756379068.

The spelling of 464000557 in words is "four hundred sixty-four million, five hundred fifty-seven", and thus it is an aban number.