2574981 has 12 divisors (see below), whose sum is σ = 3739008. Its totient is φ = 1707624.

The previous prime is 2574977. The next prime is 2574983. The reversal of 2574981 is 1894752.

2574981 is a `hidden beast` number, since 2 + 574 + 9 + 81 = 666.

It is not a de Polignac number, because 2574981 - 2² = 2574977 is a prime.

It is a super-2 number, since 2×2574981² = 13261054300722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574983) 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, 1366 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (311584).

2^2574981 is an apocalyptic number.

It is an amenable number.

2574981 is a deficient number, since it is larger than the sum of its proper divisors (1164027).

2574981 is a wasteful number, since it uses less digits than its factorization.

2574981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1509 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2574981 is about 1604.6747333961. The cubic root of 2574981 is about 137.0644022067.

The spelling of 2574981 in words is "two million, five hundred seventy-four thousand, nine hundred eighty-one".