25923811 has 2 divisors, whose sum is σ = 25923812. Its totient is φ = 25923810.

The previous prime is 25923803. The next prime is 25923817. The reversal of 25923811 is 11832952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25923811 - 2³ = 25923803 is a prime.

It is not a weakly prime, because it can be changed into another prime (25923817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961905 + 12961906.

It is an arithmetic number, because the mean of its divisors is an integer number (12961906).

Almost surely, 2^25923811 is an apocalyptic number.

25923811 is a deficient number, since it is larger than the sum of its proper divisors (1).

25923811 is an equidigital number, since it uses as much as digits as its factorization.

25923811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 25923811 is about 5091.5430863344. The cubic root of 25923811 is about 295.9599524283.

The spelling of 25923811 in words is "twenty-five million, nine hundred twenty-three thousand, eight hundred eleven".