25094689 has 2 divisors, whose sum is σ = 25094690. Its totient is φ = 25094688.

The previous prime is 25094683. The next prime is 25094711. The reversal of 25094689 is 98649052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 10349089 = 3840^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 25094689 - 2³ = 25094681 is a prime.

It is not a weakly prime, because it can be changed into another prime (25094681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12547344 + 12547345.

It is an arithmetic number, because the mean of its divisors is an integer number (12547345).

Almost surely, 2^25094689 is an apocalyptic number.

It is an amenable number.

25094689 is a deficient number, since it is larger than the sum of its proper divisors (1).

25094689 is an equidigital number, since it uses as much as digits as its factorization.

25094689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 25094689 is about 5009.4599509328. The cubic root of 25094689 is about 292.7704718112.

The spelling of 25094689 in words is "twenty-five million, ninety-four thousand, six hundred eighty-nine".