25390063 has 2 divisors, whose sum is σ = 25390064. Its totient is φ = 25390062.

The previous prime is 25390037. The next prime is 25390067. The reversal of 25390063 is 36009352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25390063 - 2⁵ = 25390031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25390067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12695031 + 12695032.

It is an arithmetic number, because the mean of its divisors is an integer number (12695032).

Almost surely, 2^25390063 is an apocalyptic number.

25390063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25390063 is an equidigital number, since it uses as much as digits as its factorization.

25390063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 25390063 is about 5038.8553263613. The cubic root of 25390063 is about 293.9146674156.

The spelling of 25390063 in words is "twenty-five million, three hundred ninety thousand, sixty-three".