25223039 has 2 divisors, whose sum is σ = 25223040. Its totient is φ = 25223038.

The previous prime is 25223027. The next prime is 25223063. The reversal of 25223039 is 93032252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25223039 - 2¹² = 25218943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25222999 and 25223017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25223339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611519 + 12611520.

It is an arithmetic number, because the mean of its divisors is an integer number (12611520).

Almost surely, 2^25223039 is an apocalyptic number.

25223039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223039 is an equidigital number, since it uses as much as digits as its factorization.

25223039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 25223039 is about 5022.2543742825. The cubic root of 25223039 is about 293.2687606085.

The spelling of 25223039 in words is "twenty-five million, two hundred twenty-three thousand, thirty-nine".