25996423 has 2 divisors, whose sum is σ = 25996424. Its totient is φ = 25996422.

The previous prime is 25996393. The next prime is 25996433. The reversal of 25996423 is 32469952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25996423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25996433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12998211 + 12998212.

It is an arithmetic number, because the mean of its divisors is an integer number (12998212).

Almost surely, 2^25996423 is an apocalyptic number.

25996423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25996423 is an equidigital number, since it uses as much as digits as its factorization.

25996423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 25996423 is about 5098.6687478204. The cubic root of 25996423 is about 296.2360205145.

The spelling of 25996423 in words is "twenty-five million, nine hundred ninety-six thousand, four hundred twenty-three".