25136263 has 8 divisors (see below), whose sum is σ = 26299008. Its totient is φ = 23979384.

The previous prime is 25136249. The next prime is 25136311. The reversal of 25136263 is 36263152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25136263 - 2⁹ = 25135751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25136203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8956 + ... + 11422.

It is an arithmetic number, because the mean of its divisors is an integer number (3287376).

Almost surely, 2^25136263 is an apocalyptic number.

25136263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25136263 is a deficient number, since it is larger than the sum of its proper divisors (1162745).

25136263 is a wasteful number, since it uses less digits than its factorization.

25136263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its digits is 6480, while the sum is 28.

The square root of 25136263 is about 5013.6077828247. The cubic root of 25136263 is about 292.9320587809.

The spelling of 25136263 in words is "twenty-five million, one hundred thirty-six thousand, two hundred sixty-three".