25992523 has 2 divisors, whose sum is σ = 25992524. Its totient is φ = 25992522.

The previous prime is 25992517. The next prime is 25992581. The reversal of 25992523 is 32529952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25992523 - 2⁹ = 25992011 is a prime.

It is a super-2 number, since 2×25992523² = 1351222503811058, which contains 22 as substring.

It is a zygodrome in base 13.

It is not a weakly prime, because it can be changed into another prime (25992223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12996261 + 12996262.

It is an arithmetic number, because the mean of its divisors is an integer number (12996262).

Almost surely, 2^25992523 is an apocalyptic number.

25992523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25992523 is an equidigital number, since it uses as much as digits as its factorization.

25992523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 25992523 is about 5098.2862807026. The cubic root of 25992523 is about 296.2212059346.

The spelling of 25992523 in words is "twenty-five million, nine hundred ninety-two thousand, five hundred twenty-three".