2551425388 has 6 divisors (see below), whose sum is σ = 4464994436. Its totient is φ = 1275712692.

The previous prime is 2551425329. The next prime is 2551425403. The reversal of 2551425388 is 8835241552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318928170 + ... + 318928177.

Almost surely, 2^2551425388 is an apocalyptic number.

It is an amenable number.

2551425388 is a deficient number, since it is larger than the sum of its proper divisors (1913569048).

2551425388 is a wasteful number, since it uses less digits than its factorization.

2551425388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637856351 (or 637856349 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 2551425388 is about 50511.6361643533. The cubic root of 2551425388 is about 1366.4517176389.

The spelling of 2551425388 in words is "two billion, five hundred fifty-one million, four hundred twenty-five thousand, three hundred eighty-eight".