2551313401 has 12 divisors (see below), whose sum is σ = 3157332672. Its totient is φ = 2018620656.

The previous prime is 2551313389. The next prime is 2551313411. The reversal of 2551313401 is 1043131552.

It is a happy number.

It is not a de Polignac number, because 2551313401 - 2⁹ = 2551312889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551313411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077141 + ... + 1079506.

It is an arithmetic number, because the mean of its divisors is an integer number (263111056).

Almost surely, 2^2551313401 is an apocalyptic number.

It is an amenable number.

2551313401 is a deficient number, since it is larger than the sum of its proper divisors (606019271).

2551313401 is a wasteful number, since it uses less digits than its factorization.

2551313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156680 (or 2156667 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2551313401 is about 50510.5276254367. The cubic root of 2551313401 is about 1366.4317252759.

Adding to 2551313401 its reverse (1043131552), we get a palindrome (3594444953).

The spelling of 2551313401 in words is "two billion, five hundred fifty-one million, three hundred thirteen thousand, four hundred one".