263548425 has 24 divisors (see below), whose sum is σ = 497982016. Its totient is φ = 120479040.

The previous prime is 263548387. The next prime is 263548427. The reversal of 263548425 is 524845362.

It is not a de Polignac number, because 263548425 - 2⁶ = 263548361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263548427) 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, 250474 + ... + 251523.

Almost surely, 2^263548425 is an apocalyptic number.

263548425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263548425 is a deficient number, since it is larger than the sum of its proper divisors (234433591).

263548425 is a wasteful number, since it uses less digits than its factorization.

263548425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502017 (or 502012 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 263548425 is about 16234.1746017468. The cubic root of 263548425 is about 641.1408889891.

The spelling of 263548425 in words is "two hundred sixty-three million, five hundred forty-eight thousand, four hundred twenty-five".