2551704 has 16 divisors (see below), whose sum is σ = 6379320. Its totient is φ = 850560.

The previous prime is 2551697. The next prime is 2551709. The reversal of 2551704 is 4071552.

It is a super-2 number, since 2×2551704² = 13022386607232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 106321 = 2551704 / (2 + 5 + 5 + 1 + 7 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53137 + ... + 53184.

2^2551704 is an apocalyptic number.

2551704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2551704 is an abundant number, since it is smaller than the sum of its proper divisors (3827616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551704 is a wasteful number, since it uses less digits than its factorization.

2551704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106330 (or 106326 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2551704 is about 1597.4053962598. The cubic root of 2551704 is about 136.6501454019.

The spelling of 2551704 in words is "two million, five hundred fifty-one thousand, seven hundred four".