2565064 has 16 divisors (see below), whose sum is σ = 4965120. Its totient is φ = 1241040.

The previous prime is 2565061. The next prime is 2565067. The reversal of 2565064 is 4605652.

It is an interprime number because it is at equal distance from previous prime (2565061) and next prime (2565067).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2565061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (310320).

2^2565064 is an apocalyptic number.

It is an amenable number.

2565064 is a deficient number, since it is larger than the sum of its proper divisors (2400056).

2565064 is a wasteful number, since it uses less digits than its factorization.

2565064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2565064 is about 1601.5817181774. The cubic root of 2565064 is about 136.8882175542. Note that the first 3 decimals are identical.

The spelling of 2565064 in words is "two million, five hundred sixty-five thousand, sixty-four".