25114409 has 12 divisors (see below), whose sum is σ = 26897076. Its totient is φ = 23442048.

The previous prime is 25114393. The next prime is 25114417. The reversal of 25114409 is 90441152.

It can be written as a sum of positive squares in 2 ways, for example, as 12355225 + 12759184 = 3515^2 + 3572^2 .

It is not a de Polignac number, because 25114409 - 2⁴ = 25114393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25877 + ... + 26829.

It is an arithmetic number, because the mean of its divisors is an integer number (2241423).

Almost surely, 2^25114409 is an apocalyptic number.

It is an amenable number.

25114409 is a deficient number, since it is larger than the sum of its proper divisors (1782667).

25114409 is an equidigital number, since it uses as much as digits as its factorization.

25114409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 25114409 is about 5011.4278404463. The cubic root of 25114409 is about 292.8471403853.

The spelling of 25114409 in words is "twenty-five million, one hundred fourteen thousand, four hundred nine".