2551347520 has 56 divisors (see below), whose sum is σ = 6079845600. Its totient is φ = 1019791872.

The previous prime is 2551347503. The next prime is 2551347521. The reversal of 2551347520 is 257431552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551347521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695451 + ... + 699109.

Almost surely, 2^2551347520 is an apocalyptic number.

2551347520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551347520 is an abundant number, since it is smaller than the sum of its proper divisors (3528498080).

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

2551347520 is a wasteful number, since it uses less digits than its factorization.

2551347520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855 (or 5845 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2551347520 is about 50510.8653657805. The cubic root of 2551347520 is about 1366.4378163969.

The spelling of 2551347520 in words is "two billion, five hundred fifty-one million, three hundred forty-seven thousand, five hundred twenty".