2564902 has 4 divisors (see below), whose sum is σ = 3847356. Its totient is φ = 1282450.

The previous prime is 2564899. The next prime is 2564917. The reversal of 2564902 is 2094652.

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

It is a super-3 number, since 3×2564902³ = 50621333720255516424, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641224 + ... + 641227.

It is an arithmetic number, because the mean of its divisors is an integer number (961839).

2^2564902 is an apocalyptic number.

2564902 is a deficient number, since it is larger than the sum of its proper divisors (1282454).

2564902 is a wasteful number, since it uses less digits than its factorization.

2564902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282453.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2564902 is about 1601.5311423759. The cubic root of 2564902 is about 136.8853357082.

The spelling of 2564902 in words is "two million, five hundred sixty-four thousand, nine hundred two".