2564502 has 8 divisors (see below), whose sum is σ = 5129016. Its totient is φ = 854832.

The previous prime is 2564489. The next prime is 2564519. The reversal of 2564502 is 2054652.

It is a sphenic number, since it is the product of 3 distinct primes.

2564502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213703 + ... + 213714.

It is an arithmetic number, because the mean of its divisors is an integer number (641127).

2^2564502 is an apocalyptic number.

2564502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564502 is a wasteful number, since it uses less digits than its factorization.

2564502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427422.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2564502 is about 1601.4062570129. The cubic root of 2564502 is about 136.8782195194.

The spelling of 2564502 in words is "two million, five hundred sixty-four thousand, five hundred two".