25372073 has 2 divisors, whose sum is σ = 25372074. Its totient is φ = 25372072.

The previous prime is 25372051. The next prime is 25372079. The reversal of 25372073 is 37027352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15904144 + 9467929 = 3988^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 25372073 - 2²⁴ = 8594857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25372079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12686036 + 12686037.

It is an arithmetic number, because the mean of its divisors is an integer number (12686037).

Almost surely, 2^25372073 is an apocalyptic number.

It is an amenable number.

25372073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25372073 is an equidigital number, since it uses as much as digits as its factorization.

25372073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 25372073 is about 5037.0698823820. The cubic root of 25372073 is about 293.8452337665.

The spelling of 25372073 in words is "twenty-five million, three hundred seventy-two thousand, seventy-three".