2566474 has 4 divisors (see below), whose sum is σ = 3849714. Its totient is φ = 1283236.

The previous prime is 2566469. The next prime is 2566481. The reversal of 2566474 is 4746652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 85849 = 1575^2 + 293^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641617 + ... + 641620.

2^2566474 is an apocalyptic number.

2566474 is a deficient number, since it is larger than the sum of its proper divisors (1283240).

2566474 is a wasteful number, since it uses less digits than its factorization.

2566474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283239.

The product of its digits is 40320, while the sum is 34.

The square root of 2566474 is about 1602.0218475414. The cubic root of 2566474 is about 136.9132951652.

The spelling of 2566474 in words is "two million, five hundred sixty-six thousand, four hundred seventy-four".