2551036531 has 16 divisors (see below), whose sum is σ = 2733539328. Its totient is φ = 2376525600.

The previous prime is 2551036519. The next prime is 2551036547. The reversal of 2551036531 is 1356301552.

2551036531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2551036531 - 2⁷ = 2551036403 is a prime.

It is a super-2 number, since 2×2551036531² = 13015574764993027922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2551036493 and 2551036502.

It is not an unprimeable number, because it can be changed into a prime (2551036511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74526 + ... + 103228.

It is an arithmetic number, because the mean of its divisors is an integer number (170846208).

Almost surely, 2^2551036531 is an apocalyptic number.

2551036531 is a deficient number, since it is larger than the sum of its proper divisors (182502797).

2551036531 is a wasteful number, since it uses less digits than its factorization.

2551036531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28842.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 2551036531 is about 50507.7868352990. The cubic root of 2551036531 is about 1366.3822948351.

The spelling of 2551036531 in words is "two billion, five hundred fifty-one million, thirty-six thousand, five hundred thirty-one".