25748923 has 2 divisors, whose sum is σ = 25748924. Its totient is φ = 25748922.

The previous prime is 25748911. The next prime is 25748927. The reversal of 25748923 is 32984752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25748923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25748927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12874461 + 12874462.

It is an arithmetic number, because the mean of its divisors is an integer number (12874462).

Almost surely, 2^25748923 is an apocalyptic number.

25748923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25748923 is an equidigital number, since it uses as much as digits as its factorization.

25748923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 25748923 is about 5074.3396614732. The cubic root of 25748923 is about 295.2929121672.

The spelling of 25748923 in words is "twenty-five million, seven hundred forty-eight thousand, nine hundred twenty-three".