2565470 has 16 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 965760.

The previous prime is 2565463. The next prime is 2565559. The reversal of 2565470 is 745652.

It is an Ulam number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (305613).

2^2565470 is an apocalyptic number.

2565470 is a deficient number, since it is larger than the sum of its proper divisors (2324338).

2565470 is a wasteful number, since it uses less digits than its factorization.

2565470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2565470 is about 1601.7084628608. The cubic root of 2565470 is about 136.8954394252.

The spelling of 2565470 in words is "two million, five hundred sixty-five thousand, four hundred seventy".