25012069 has 2 divisors, whose sum is σ = 25012070. Its totient is φ = 25012068.

The previous prime is 25012061. The next prime is 25012073. The reversal of 25012069 is 96021052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24621444 + 390625 = 4962^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 25012069 - 2³ = 25012061 is a prime.

It is a super-2 number, since 2×25012069² = 1251207191321522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25012061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506034 + 12506035.

It is an arithmetic number, because the mean of its divisors is an integer number (12506035).

Almost surely, 2^25012069 is an apocalyptic number.

It is an amenable number.

25012069 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012069 is an equidigital number, since it uses as much as digits as its factorization.

25012069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 25012069 is about 5001.2067543744. The cubic root of 25012069 is about 292.4488195449.

The spelling of 25012069 in words is "twenty-five million, twelve thousand, sixty-nine".