2551251415 has 24 divisors (see below), whose sum is σ = 3160377792. Its totient is φ = 1976932800.

The previous prime is 2551251383. The next prime is 2551251431. The reversal of 2551251415 is 5141521552.

It is not a de Polignac number, because 2551251415 - 2⁵ = 2551251383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114402 + ... + 1116688.

It is an arithmetic number, because the mean of its divisors is an integer number (131682408).

Almost surely, 2^2551251415 is an apocalyptic number.

2551251415 is a deficient number, since it is larger than the sum of its proper divisors (609126377).

2551251415 is a wasteful number, since it uses less digits than its factorization.

2551251415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2440 counting only the distinct ones).

The product of its digits is 10000, while the sum is 31.

The square root of 2551251415 is about 50509.9140268522. The cubic root of 2551251415 is about 1366.4206590380.

Adding to 2551251415 its reverse (5141521552), we get a palindrome (7692772967).

The spelling of 2551251415 in words is "two billion, five hundred fifty-one million, two hundred fifty-one thousand, four hundred fifteen".