3125400630 has 64 divisors (see below), whose sum is σ = 8613561600. Its totient is φ = 717793920.

The previous prime is 3125400599. The next prime is 3125400643. The reversal of 3125400630 is 360045213.

It is a happy number.

3125400630 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 3125400630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242965 + ... + 255504.

It is an arithmetic number, because the mean of its divisors is an integer number (134586900).

Almost surely, 2^3125400630 is an apocalyptic number.

3125400630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3125400630 is an abundant number, since it is smaller than the sum of its proper divisors (5488160970).

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

3125400630 is a wasteful number, since it uses less digits than its factorization.

3125400630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498509.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3125400630 is about 55905.2826663098. The cubic root of 3125400630 is about 1462.0713437288.

Adding to 3125400630 its reverse (360045213), we get a palindrome (3485445843).

The spelling of 3125400630 in words is "three billion, one hundred twenty-five million, four hundred thousand, six hundred thirty".