268637025 has 12 divisors (see below), whose sum is σ = 444146672. Its totient is φ = 143273040.

The previous prime is 268637023. The next prime is 268637069. The reversal of 268637025 is 520736862.

It is not a de Polignac number, because 268637025 - 2¹ = 268637023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268637023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1790839 + ... + 1790988.

Almost surely, 2^268637025 is an apocalyptic number.

268637025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268637025 is a deficient number, since it is larger than the sum of its proper divisors (175509647).

268637025 is a wasteful number, since it uses less digits than its factorization.

268637025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581840 (or 3581835 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 268637025 is about 16390.1502433626. The cubic root of 268637025 is about 645.2410012204.

The spelling of 268637025 in words is "two hundred sixty-eight million, six hundred thirty-seven thousand, twenty-five".