625485630 has 128 divisors (see below), whose sum is σ = 1936327680. Its totient is φ = 125475840.

The previous prime is 625485617. The next prime is 625485649. The reversal of 625485630 is 36584526.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62322 + ... + 71658.

It is an arithmetic number, because the mean of its divisors is an integer number (15127560).

Almost surely, 2^625485630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625485630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968163840).

625485630 is an abundant number, since it is smaller than the sum of its proper divisors (1310842050).

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

625485630 is a wasteful number, since it uses less digits than its factorization.

625485630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 625485630 is about 25009.7107140407. The cubic root of 625485630 is about 855.2093601735.

The spelling of 625485630 in words is "six hundred twenty-five million, four hundred eighty-five thousand, six hundred thirty".