2551479 has 24 divisors (see below), whose sum is σ = 4194288. Its totient is φ = 1370880.

The previous prime is 2551469. The next prime is 2551481. The reversal of 2551479 is 9741552.

It is not a de Polignac number, because 2551479 - 2⁸ = 2551223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1989 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (174762).

2^2551479 is an apocalyptic number.

2551479 is a deficient number, since it is larger than the sum of its proper divisors (1642809).

2551479 is a wasteful number, since it uses less digits than its factorization.

2551479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1048 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 2551479 is about 1597.3349680014. The cubic root of 2551479 is about 136.6461288458.

The spelling of 2551479 in words is "two million, five hundred fifty-one thousand, four hundred seventy-nine".