2565274 has 4 divisors (see below), whose sum is σ = 3847914. Its totient is φ = 1282636.

The previous prime is 2565263. The next prime is 2565289. The reversal of 2565274 is 4725652.

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., 2082249 + 483025 = 1443^2 + 695^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641317 + ... + 641320.

2^2565274 is an apocalyptic number.

2565274 is a deficient number, since it is larger than the sum of its proper divisors (1282640).

2565274 is a wasteful number, since it uses less digits than its factorization.

2565274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282639.

The product of its digits is 16800, while the sum is 31.

The square root of 2565274 is about 1601.6472770245. The cubic root of 2565274 is about 136.8919530998.

The spelling of 2565274 in words is "two million, five hundred sixty-five thousand, two hundred seventy-four".