2551413 has 16 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 1606704.

The previous prime is 2551403. The next prime is 2551421. The reversal of 2551413 is 3141552.

It is not a de Polignac number, because 2551413 - 2⁴ = 2551397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551403) 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, 6928 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

2^2551413 is an apocalyptic number.

2551413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2551413 is a deficient number, since it is larger than the sum of its proper divisors (1042827).

2551413 is a wasteful number, since it uses less digits than its factorization.

2551413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 600, while the sum is 21.

The square root of 2551413 is about 1597.3143084565. The cubic root of 2551413 is about 136.6449506113.

Adding to 2551413 its reverse (3141552), we get a palindrome (5692965).

The spelling of 2551413 in words is "two million, five hundred fifty-one thousand, four hundred thirteen".