263040025 has 12 divisors (see below), whose sum is σ = 326381392. Its totient is φ = 210295440.

The previous prime is 263040017. The next prime is 263040049. The reversal of 263040025 is 520040362.

It is a happy number.

It is not a de Polignac number, because 263040025 - 2³ = 263040017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263039978 and 263040005.

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, 56434 + ... + 60916.

Almost surely, 2^263040025 is an apocalyptic number.

263040025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263040025 is a deficient number, since it is larger than the sum of its proper divisors (63341367).

263040025 is a wasteful number, since it uses less digits than its factorization.

263040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840 (or 6835 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 263040025 is about 16218.5087168950. The cubic root of 263040025 is about 640.7283577831.

Adding to 263040025 its reverse (520040362), we get a palindrome (783080387).

The spelling of 263040025 in words is "two hundred sixty-three million, forty thousand, twenty-five".