2562921 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1667952.

The previous prime is 2562907. The next prime is 2562941. The reversal of 2562921 is 1292652.

It is not a de Polignac number, because 2562921 - 2¹³ = 2554729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12780 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2562921 is an apocalyptic number.

It is an amenable number.

2562921 is a deficient number, since it is larger than the sum of its proper divisors (1368279).

2562921 is an equidigital number, since it uses as much as digits as its factorization.

2562921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 255 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2562921 is about 1600.9125522651. The cubic root of 2562921 is about 136.8500855384.

The spelling of 2562921 in words is "two million, five hundred sixty-two thousand, nine hundred twenty-one".