2551231510 has 32 divisors (see below), whose sum is σ = 4659107040. Its totient is φ = 1005731328.

The previous prime is 2551231493. The next prime is 2551231513. The reversal of 2551231510 is 151321552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551231513) 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 15 ways as a sum of consecutive naturals, for example, 195964 + ... + 208576.

It is an arithmetic number, because the mean of its divisors is an integer number (145597095).

Almost surely, 2^2551231510 is an apocalyptic number.

2551231510 is a deficient number, since it is larger than the sum of its proper divisors (2107875530).

2551231510 is a wasteful number, since it uses less digits than its factorization.

2551231510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12912.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2551231510 is about 50509.7169859424. The cubic root of 2551231510 is about 1366.4171053998.

The spelling of 2551231510 in words is "two billion, five hundred fifty-one million, two hundred thirty-one thousand, five hundred ten".