25204506823 has 16 divisors (see below), whose sum is σ = 25764925824. Its totient is φ = 24650065440.

The previous prime is 25204506809. The next prime is 25204506863. The reversal of 25204506823 is 32860540252.

It is a cyclic number.

It is not a de Polignac number, because 25204506823 - 2²⁹ = 24667635911 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 (25204506863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7218108 + ... + 7221598.

It is an arithmetic number, because the mean of its divisors is an integer number (1610307864).

Almost surely, 2^25204506823 is an apocalyptic number.

25204506823 is a deficient number, since it is larger than the sum of its proper divisors (560419001).

25204506823 is a wasteful number, since it uses less digits than its factorization.

25204506823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 25204506823 in words is "twenty-five billion, two hundred four million, five hundred six thousand, eight hundred twenty-three".