25044863 has 2 divisors, whose sum is σ = 25044864. Its totient is φ = 25044862.

The previous prime is 25044853. The next prime is 25044871. The reversal of 25044863 is 36844052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25044863 - 2¹⁶ = 24979327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25044853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522431 + 12522432.

It is an arithmetic number, because the mean of its divisors is an integer number (12522432).

Almost surely, 2^25044863 is an apocalyptic number.

25044863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25044863 is an equidigital number, since it uses as much as digits as its factorization.

25044863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 25044863 is about 5004.4842891151. The cubic root of 25044863 is about 292.5765762445.

The spelling of 25044863 in words is "twenty-five million, forty-four thousand, eight hundred sixty-three".