2521332 has 36 divisors (see below), whose sum is σ = 6953856. Its totient is φ = 763920.

The previous prime is 2521327. The next prime is 2521339. The reversal of 2521332 is 2331252.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2788 + ... + 3579.

2^2521332 is an apocalyptic number.

2521332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2521332 is an abundant number, since it is smaller than the sum of its proper divisors (4432524).

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

2521332 is a wasteful number, since it uses less digits than its factorization.

2521332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388 (or 6383 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 2521332 is about 1587.8702717792. The cubic root of 2521332 is about 136.1058144205.

Adding to 2521332 its reverse (2331252), we get a palindrome (4852584).

The spelling of 2521332 in words is "two million, five hundred twenty-one thousand, three hundred thirty-two".