2551926 has 16 divisors (see below), whose sum is σ = 5496624. Its totient is φ = 785184.

The previous prime is 2551903. The next prime is 2551933. The reversal of 2551926 is 6291552.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2551893 and 2551902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16281 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (343539).

2^2551926 is an apocalyptic number.

2551926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2551926 is an abundant number, since it is smaller than the sum of its proper divisors (2944698).

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

2551926 is a wasteful number, since it uses less digits than its factorization.

2551926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32735.

The product of its digits is 5400, while the sum is 30.

The square root of 2551926 is about 1597.4748824316. The cubic root of 2551926 is about 136.6541081725.

The spelling of 2551926 in words is "two million, five hundred fifty-one thousand, nine hundred twenty-six".