25416089 has 2 divisors, whose sum is σ = 25416090. Its totient is φ = 25416088.

The previous prime is 25416047. The next prime is 25416107. The reversal of 25416089 is 98061452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24334489 + 1081600 = 4933^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 25416089 - 2²⁰ = 24367513 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25416019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12708044 + 12708045.

It is an arithmetic number, because the mean of its divisors is an integer number (12708045).

Almost surely, 2^25416089 is an apocalyptic number.

It is an amenable number.

25416089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25416089 is an equidigital number, since it uses as much as digits as its factorization.

25416089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 25416089 is about 5041.4371958798. The cubic root of 25416089 is about 294.0150585404.

The spelling of 25416089 in words is "twenty-five million, four hundred sixteen thousand, eighty-nine".