625601130 has 128 divisors (see below), whose sum is σ = 1910476800. Its totient is φ = 129971520.

The previous prime is 625601117. The next prime is 625601147. The reversal of 625601130 is 31106526.

625601130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 625601130.

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, 110427 + ... + 115953.

It is an arithmetic number, because the mean of its divisors is an integer number (14925600).

Almost surely, 2^625601130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625601130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955238400).

625601130 is an abundant number, since it is smaller than the sum of its proper divisors (1284875670).

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

625601130 is a wasteful number, since it uses less digits than its factorization.

625601130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 625601130 is about 25012.0197105312. The cubic root of 625601130 is about 855.2619969286.

Adding to 625601130 its reverse (31106526), we get a palindrome (656707656).

The spelling of 625601130 in words is "six hundred twenty-five million, six hundred one thousand, one hundred thirty".