2551002051 has 16 divisors (see below), whose sum is σ = 3676609440. Its totient is φ = 1564005120.

The previous prime is 2551002017. The next prime is 2551002079. The reversal of 2551002051 is 1502001552.

It is not a de Polignac number, because 2551002051 - 2¹⁰ = 2551001027 is a prime.

It is a super-2 number, since 2×2551002051² = 13015222928412413202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551001051) 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, 111090 + ... + 132071.

It is an arithmetic number, because the mean of its divisors is an integer number (229788090).

Almost surely, 2^2551002051 is an apocalyptic number.

2551002051 is a deficient number, since it is larger than the sum of its proper divisors (1125607389).

2551002051 is a wasteful number, since it uses less digits than its factorization.

2551002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243446.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2551002051 is about 50507.4455006388. The cubic root of 2551002051 is about 1366.3761387657.

The spelling of 2551002051 in words is "two billion, five hundred fifty-one million, two thousand, fifty-one".