25123369 has 2 divisors, whose sum is σ = 25123370. Its totient is φ = 25123368.

The previous prime is 25123303. The next prime is 25123379. The reversal of 25123369 is 96332152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19184400 + 5938969 = 4380^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 25123369 - 2⁹ = 25122857 is a prime.

It is a super-2 number, since 2×25123369² = 1262367339820322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25123369.

It is not a weakly prime, because it can be changed into another prime (25123379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561684 + 12561685.

It is an arithmetic number, because the mean of its divisors is an integer number (12561685).

Almost surely, 2^25123369 is an apocalyptic number.

It is an amenable number.

25123369 is a deficient number, since it is larger than the sum of its proper divisors (1).

25123369 is an equidigital number, since it uses as much as digits as its factorization.

25123369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 25123369 is about 5012.3217175277. The cubic root of 25123369 is about 292.8819623394.

The spelling of 25123369 in words is "twenty-five million, one hundred twenty-three thousand, three hundred sixty-nine".