25500533063 has 4 divisors (see below), whose sum is σ = 25641420168. Its totient is φ = 25359645960.

The previous prime is 25500532969. The next prime is 25500533087. The reversal of 25500533063 is 36033500552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25500533063 - 2¹⁶ = 25500467527 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 (25500530063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70443281 + ... + 70443642.

It is an arithmetic number, because the mean of its divisors is an integer number (6410355042).

Almost surely, 2^25500533063 is an apocalyptic number.

25500533063 is a deficient number, since it is larger than the sum of its proper divisors (140887105).

25500533063 is a wasteful number, since it uses less digits than its factorization.

25500533063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140887104.

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 25500533063 in words is "twenty-five billion, five hundred million, five hundred thirty-three thousand, sixty-three".