2521976 has 8 divisors (see below), whose sum is σ = 4728720. Its totient is φ = 1260984.

The previous prime is 2521969. The next prime is 2521979. The reversal of 2521976 is 6791252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521979) 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 as a sum of consecutive naturals, namely, 157616 + ... + 157631.

It is an arithmetic number, because the mean of its divisors is an integer number (591090).

2^2521976 is an apocalyptic number.

It is an amenable number.

2521976 is a deficient number, since it is larger than the sum of its proper divisors (2206744).

2521976 is a wasteful number, since it uses less digits than its factorization.

2521976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315253 (or 315249 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 2521976 is about 1588.0730461789. The cubic root of 2521976 is about 136.1174015079.

The spelling of 2521976 in words is "two million, five hundred twenty-one thousand, nine hundred seventy-six".