464406625 has 8 divisors (see below), whose sum is σ = 579579624. Its totient is φ = 371525200.

The previous prime is 464406623. The next prime is 464406637. The reversal of 464406625 is 526604464.

It can be written as a sum of positive squares in 4 ways, for example, as 56205009 + 408201616 = 7497^2 + 20204^2 .

It is not a de Polignac number, because 464406625 - 2¹ = 464406623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464406623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857502 + ... + 1857751.

It is an arithmetic number, because the mean of its divisors is an integer number (72447453).

Almost surely, 2^464406625 is an apocalyptic number.

It is an amenable number.

464406625 is a deficient number, since it is larger than the sum of its proper divisors (115172999).

464406625 is an equidigital number, since it uses as much as digits as its factorization.

464406625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715268 (or 3715258 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 464406625 is about 21550.0957074441. The cubic root of 464406625 is about 774.4014108338.

The spelling of 464406625 in words is "four hundred sixty-four million, four hundred six thousand, six hundred twenty-five".