25120369 has 2 divisors, whose sum is σ = 25120370. Its totient is φ = 25120368.

The previous prime is 25120343. The next prime is 25120399. The reversal of 25120369 is 96302152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 225 = 5012^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 25120369 - 2⁷ = 25120241 is a prime.

It is a super-2 number, since 2×25120369² = 1262065877392322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25120309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12560184 + 12560185.

It is an arithmetic number, because the mean of its divisors is an integer number (12560185).

Almost surely, 2^25120369 is an apocalyptic number.

It is an amenable number.

25120369 is a deficient number, since it is larger than the sum of its proper divisors (1).

25120369 is an equidigital number, since it uses as much as digits as its factorization.

25120369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 25120369 is about 5012.0224460790. The cubic root of 25120369 is about 292.8703041251.

The spelling of 25120369 in words is "twenty-five million, one hundred twenty thousand, three hundred sixty-nine".