25988423 has 2 divisors, whose sum is σ = 25988424. Its totient is φ = 25988422.

The previous prime is 25988407. The next prime is 25988441. The reversal of 25988423 is 32488952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25988423 - 2⁴ = 25988407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25988453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12994211 + 12994212.

It is an arithmetic number, because the mean of its divisors is an integer number (12994212).

Almost surely, 2^25988423 is an apocalyptic number.

25988423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25988423 is an equidigital number, since it uses as much as digits as its factorization.

25988423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 25988423 is about 5097.8841689470. The cubic root of 25988423 is about 296.2056300347.

The spelling of 25988423 in words is "twenty-five million, nine hundred eighty-eight thousand, four hundred twenty-three".