25924525469 has 2 divisors, whose sum is σ = 25924525470. Its totient is φ = 25924525468.

The previous prime is 25924525421. The next prime is 25924525499. The reversal of 25924525469 is 96452542952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25668205369 + 256320100 = 160213^2 + 16010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25924525469 is a prime.

It is a super-2 number, since 2×25924525469² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25924525469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25924525499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962262734 + 12962262735.

It is an arithmetic number, because the mean of its divisors is an integer number (12962262735).

Almost surely, 2^25924525469 is an apocalyptic number.

It is an amenable number.

25924525469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25924525469 is an equidigital number, since it uses as much as digits as its factorization.

25924525469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776000, while the sum is 53.

The spelling of 25924525469 in words is "twenty-five billion, nine hundred twenty-four million, five hundred twenty-five thousand, four hundred sixty-nine".