25243927 has 2 divisors, whose sum is σ = 25243928. Its totient is φ = 25243926.

The previous prime is 25243853. The next prime is 25243931. The reversal of 25243927 is 72934252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25243927 - 2¹⁵ = 25211159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25243892 and 25243901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25243937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12621963 + 12621964.

It is an arithmetic number, because the mean of its divisors is an integer number (12621964).

Almost surely, 2^25243927 is an apocalyptic number.

25243927 is a deficient number, since it is larger than the sum of its proper divisors (1).

25243927 is an equidigital number, since it uses as much as digits as its factorization.

25243927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 25243927 is about 5024.3334881355. Note that the first 3 decimals coincide. The cubic root of 25243927 is about 293.3496933311.

The spelling of 25243927 in words is "twenty-five million, two hundred forty-three thousand, nine hundred twenty-seven".