25323469261 has 2 divisors, whose sum is σ = 25323469262. Its totient is φ = 25323469260.

The previous prime is 25323469243. The next prime is 25323469277. The reversal of 25323469261 is 16296432352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15780133161 + 9543336100 = 125619^2 + 97690^2 .

It is a cyclic number.

It is not a de Polignac number, because 25323469261 - 2⁹ = 25323468749 is a prime.

It is a super-2 number, since 2×25323469261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25323869261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661734630 + 12661734631.

It is an arithmetic number, because the mean of its divisors is an integer number (12661734631).

Almost surely, 2^25323469261 is an apocalyptic number.

It is an amenable number.

25323469261 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323469261 is an equidigital number, since it uses as much as digits as its factorization.

25323469261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The spelling of 25323469261 in words is "twenty-five billion, three hundred twenty-three million, four hundred sixty-nine thousand, two hundred sixty-one".