25426963 has 2 divisors, whose sum is σ = 25426964. Its totient is φ = 25426962.

The previous prime is 25426957. The next prime is 25426979. The reversal of 25426963 is 36962452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25426963 - 2⁵ = 25426931 is a prime.

It is not a weakly prime, because it can be changed into another prime (25426763) 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, 12713481 + 12713482.

It is an arithmetic number, because the mean of its divisors is an integer number (12713482).

Almost surely, 2^25426963 is an apocalyptic number.

25426963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25426963 is an equidigital number, since it uses as much as digits as its factorization.

25426963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 25426963 is about 5042.5155428615. The cubic root of 25426963 is about 294.0569829543.

The spelling of 25426963 in words is "twenty-five million, four hundred twenty-six thousand, nine hundred sixty-three".