2551332 has 36 divisors (see below), whose sum is σ = 6926640. Its totient is φ = 728784.

The previous prime is 2551313. The next prime is 2551349. The reversal of 2551332 is 2331552.

2551332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2551299 and 2551308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582 + ... + 2757.

2^2551332 is an apocalyptic number.

It is an amenable number.

2551332 is an abundant number, since it is smaller than the sum of its proper divisors (4375308).

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

2551332 is a wasteful number, since it uses less digits than its factorization.

2551332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360 (or 4351 counting only the distinct ones).

The product of its digits is 900, while the sum is 21.

The square root of 2551332 is about 1597.2889531954. The cubic root of 2551332 is about 136.6435045684.

Adding to 2551332 its reverse (2331552), we get a palindrome (4882884).

The spelling of 2551332 in words is "two million, five hundred fifty-one thousand, three hundred thirty-two".