25262165263 has 8 divisors (see below), whose sum is σ = 26208596880. Its totient is φ = 24320755200.

The previous prime is 25262165233. The next prime is 25262165273. The reversal of 25262165263 is 36256126252.

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 25262165263 - 2²⁵ = 25228610831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25262165233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245138 + ... + 1265263.

It is an arithmetic number, because the mean of its divisors is an integer number (3276074610).

Almost surely, 2^25262165263 is an apocalyptic number.

25262165263 is a deficient number, since it is larger than the sum of its proper divisors (946431617).

25262165263 is a wasteful number, since it uses less digits than its factorization.

25262165263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510777.

The product of its digits is 259200, while the sum is 40.

The spelling of 25262165263 in words is "twenty-five billion, two hundred sixty-two million, one hundred sixty-five thousand, two hundred sixty-three".