464460561 has 10 divisors (see below), whose sum is σ = 693823922. Its totient is φ = 309640320.

The previous prime is 464460523. The next prime is 464460583. The reversal of 464460561 is 165064464.

464460561 is a `hidden beast` number, since 4 + 6 + 44 + 605 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 460359936 + 4100625 = 21456^2 + 2025^2 .

It is not a de Polignac number, because 464460561 - 2⁶ = 464460497 is a prime.

It is a super-2 number, since 2×464460561² = 431447225448869442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464460461) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2866960 + ... + 2867121.

Almost surely, 2^464460561 is an apocalyptic number.

It is an amenable number.

464460561 is a deficient number, since it is larger than the sum of its proper divisors (229363361).

464460561 is an equidigital number, since it uses as much as digits as its factorization.

464460561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734093 (or 5734084 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 464460561 is about 21551.3470808671. The cubic root of 464460561 is about 774.4313892301.

The spelling of 464460561 in words is "four hundred sixty-four million, four hundred sixty thousand, five hundred sixty-one".