25194023 has 2 divisors, whose sum is σ = 25194024. Its totient is φ = 25194022.

The previous prime is 25194007. The next prime is 25194047. The reversal of 25194023 is 32049152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25194023 - 2⁴ = 25194007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25193983 and 25194001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25194053) 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, 12597011 + 12597012.

It is an arithmetic number, because the mean of its divisors is an integer number (12597012).

Almost surely, 2^25194023 is an apocalyptic number.

25194023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25194023 is an equidigital number, since it uses as much as digits as its factorization.

25194023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 25194023 is about 5019.3648004504. The cubic root of 25194023 is about 293.1562609280.

The spelling of 25194023 in words is "twenty-five million, one hundred ninety-four thousand, twenty-three".