263952925 has 12 divisors (see below), whose sum is σ = 338588820. Its totient is φ = 203880320.

The previous prime is 263952919. The next prime is 263952977. The reversal of 263952925 is 529259362.

It can be written as a sum of positive squares in 6 ways, for example, as 4549689 + 259403236 = 2133^2 + 16106^2 .

It is not a de Polignac number, because 263952925 - 2⁷ = 263952797 is a prime.

It is a super-2 number, since 2×263952925² = 139342293232111250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181312 + ... + 182761.

It is an arithmetic number, because the mean of its divisors is an integer number (28215735).

Almost surely, 2^263952925 is an apocalyptic number.

263952925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263952925 is a deficient number, since it is larger than the sum of its proper divisors (74635895).

263952925 is a wasteful number, since it uses less digits than its factorization.

263952925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364112 (or 364107 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 263952925 is about 16246.6281117037. The cubic root of 263952925 is about 641.4687337632.

The spelling of 263952925 in words is "two hundred sixty-three million, nine hundred fifty-two thousand, nine hundred twenty-five".