263932725 has 24 divisors (see below), whose sum is σ = 498708160. Its totient is φ = 120654720.

The previous prime is 263932723. The next prime is 263932733. The reversal of 263932725 is 527239362.

It is not a de Polignac number, because 263932725 - 2¹ = 263932723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263932723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250840 + ... + 251889.

Almost surely, 2^263932725 is an apocalyptic number.

263932725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263932725 is a deficient number, since it is larger than the sum of its proper divisors (234775435).

263932725 is a wasteful number, since it uses less digits than its factorization.

263932725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502749 (or 502744 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 263932725 is about 16246.0064323513. The cubic root of 263932725 is about 641.4523697355.

The spelling of 263932725 in words is "two hundred sixty-three million, nine hundred thirty-two thousand, seven hundred twenty-five".