625280130 has 24 divisors (see below), whose sum is σ = 1625728572. Its totient is φ = 166741344.

The previous prime is 625280099. The next prime is 625280141. The reversal of 625280130 is 31082526.

625280130 is a `hidden beast` number, since 6 + 2 + 528 + 0 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 567535329 + 57744801 = 23823^2 + 7599^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 625280094 and 625280103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3473689 + ... + 3473868.

Almost surely, 2^625280130 is an apocalyptic number.

625280130 is an abundant number, since it is smaller than the sum of its proper divisors (1000448442).

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

625280130 is a wasteful number, since it uses less digits than its factorization.

625280130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947570 (or 6947567 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 625280130 is about 25005.6019723581. The cubic root of 625280130 is about 855.1156917420.

The spelling of 625280130 in words is "six hundred twenty-five million, two hundred eighty thousand, one hundred thirty".