625103140 has 24 divisors (see below), whose sum is σ = 1325718072. Its totient is φ = 247564800.

The previous prime is 625103117. The next prime is 625103153. The reversal of 625103140 is 41301526.

It can be written as a sum of positive squares in 4 ways, for example, as 116510436 + 508592704 = 10794^2 + 22552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152709 + ... + 156748.

It is an arithmetic number, because the mean of its divisors is an integer number (55238253).

Almost surely, 2^625103140 is an apocalyptic number.

It is an amenable number.

625103140 is an abundant number, since it is smaller than the sum of its proper divisors (700614932).

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

625103140 is a wasteful number, since it uses less digits than its factorization.

625103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309567 (or 309565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 625103140 is about 25002.0627149041. The cubic root of 625103140 is about 855.0350019299.

Adding to 625103140 its reverse (41301526), we get a palindrome (666404666).

The spelling of 625103140 in words is "six hundred twenty-five million, one hundred three thousand, one hundred forty".