2256508 has 6 divisors (see below), whose sum is σ = 3948896. Its totient is φ = 1128252.

The previous prime is 2256479. The next prime is 2256533. The reversal of 2256508 is 8056522.

It is a d-powerful number, because it can be written as 2¹⁶ + 2²¹ + 5⁶ + 6 + 5⁷ + 0 + 8² .

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, 282060 + ... + 282067.

2^2256508 is an apocalyptic number.

It is an amenable number.

2256508 is a deficient number, since it is larger than the sum of its proper divisors (1692388).

2256508 is a wasteful number, since it uses less digits than its factorization.

2256508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564131 (or 564129 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2256508 is about 1502.1677669288. The cubic root of 2256508 is about 131.1632872443.

The spelling of 2256508 in words is "two million, two hundred fifty-six thousand, five hundred eight".