625464 has 96 divisors (see below), whose sum is σ = 2077920. Its totient is φ = 165888.

The previous prime is 625451. The next prime is 625477. The reversal of 625464 is 464526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (625451) and next prime (625477).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625464.

It is an unprimeable number.

625464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8532 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (21645).

2⁶²⁵⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038960).

625464 is an abundant number, since it is smaller than the sum of its proper divisors (1452456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625464 is a wasteful number, since it uses less digits than its factorization.

625464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 102 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 625464 is about 790.8628199631. The cubic root of 625464 is about 85.5199502024.

It can be divided in two parts, 625 and 464, that added together give a square (1089 = 33²).

The spelling of 625464 in words is "six hundred twenty-five thousand, four hundred sixty-four".