25323463261 has 16 divisors (see below), whose sum is σ = 26094519360. Its totient is φ = 24566544000.

The previous prime is 25323463237. The next prime is 25323463273. The reversal of 25323463261 is 16236432352.

It is not a de Polignac number, because 25323463261 - 2¹⁹ = 25322938973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25323463261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323469261) 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 15 ways as a sum of consecutive naturals, for example, 1378386 + ... + 1396636.

It is an arithmetic number, because the mean of its divisors is an integer number (1630907460).

Almost surely, 2^25323463261 is an apocalyptic number.

It is an amenable number.

25323463261 is a deficient number, since it is larger than the sum of its proper divisors (771056099).

25323463261 is a wasteful number, since it uses less digits than its factorization.

25323463261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18636.

The product of its digits is 155520, while the sum is 37.

The spelling of 25323463261 in words is "twenty-five billion, three hundred twenty-three million, four hundred sixty-three thousand, two hundred sixty-one".