25885723 has 2 divisors, whose sum is σ = 25885724. Its totient is φ = 25885722.

The previous prime is 25885703. The next prime is 25885729. The reversal of 25885723 is 32758852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25885723 is a prime.

It is not a weakly prime, because it can be changed into another prime (25885729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942861 + 12942862.

It is an arithmetic number, because the mean of its divisors is an integer number (12942862).

Almost surely, 2^25885723 is an apocalyptic number.

25885723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25885723 is an equidigital number, since it uses as much as digits as its factorization.

25885723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 25885723 is about 5087.8013915639. The cubic root of 25885723 is about 295.8149371267.

The spelling of 25885723 in words is "twenty-five million, eight hundred eighty-five thousand, seven hundred twenty-three".