2564607 has 4 divisors (see below), whose sum is σ = 3419480. Its totient is φ = 1709736.

The previous prime is 2564593. The next prime is 2564609. The reversal of 2564607 is 7064652.

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

It is not a de Polignac number, because 2564607 - 2¹¹ = 2562559 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564609) 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, 427432 + ... + 427437.

It is an arithmetic number, because the mean of its divisors is an integer number (854870).

2^2564607 is an apocalyptic number.

2564607 is a deficient number, since it is larger than the sum of its proper divisors (854873).

2564607 is an equidigital number, since it uses as much as digits as its factorization.

2564607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854872.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2564607 is about 1601.4390403634. The cubic root of 2564607 is about 136.8800875905.

The spelling of 2564607 in words is "two million, five hundred sixty-four thousand, six hundred seven".