263390025 has 24 divisors (see below), whose sum is σ = 435936384. Its totient is φ = 140324800.

The previous prime is 263389967. The next prime is 263390063. The reversal of 263390025 is 520093362.

263390025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 263390025 - 2⁶ = 263389961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263389974 and 263390001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139387 + ... + 141263.

It is an arithmetic number, because the mean of its divisors is an integer number (18164016).

Almost surely, 2^263390025 is an apocalyptic number.

263390025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263390025 is a deficient number, since it is larger than the sum of its proper divisors (172546359).

263390025 is a wasteful number, since it uses less digits than its factorization.

263390025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3756 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 263390025 is about 16229.2952712063. The cubic root of 263390025 is about 641.0124153576.

The spelling of 263390025 in words is "two hundred sixty-three million, three hundred ninety thousand, twenty-five".