25908023 has 4 divisors (see below), whose sum is σ = 26539968. Its totient is φ = 25276080.

The previous prime is 25908011. The next prime is 25908031. The reversal of 25908023 is 32080952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25908023 - 2¹⁴ = 25891639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25908053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315911 + ... + 315992.

It is an arithmetic number, because the mean of its divisors is an integer number (6634992).

Almost surely, 2^25908023 is an apocalyptic number.

25908023 is a deficient number, since it is larger than the sum of its proper divisors (631945).

25908023 is an equidigital number, since it uses as much as digits as its factorization.

25908023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631944.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 25908023 is about 5089.9924361437. The cubic root of 25908023 is about 295.8998588382.

Adding to 25908023 its reverse (32080952), we get a palindrome (57988975).

The spelling of 25908023 in words is "twenty-five million, nine hundred eight thousand, twenty-three".