25923091 has 2 divisors, whose sum is σ = 25923092. Its totient is φ = 25923090.

The previous prime is 25923089. The next prime is 25923151. The reversal of 25923091 is 19032952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25923091 - 2¹ = 25923089 is a prime.

Together with 25923089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25923041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961545 + 12961546.

It is an arithmetic number, because the mean of its divisors is an integer number (12961546).

Almost surely, 2^25923091 is an apocalyptic number.

25923091 is a deficient number, since it is larger than the sum of its proper divisors (1).

25923091 is an equidigital number, since it uses as much as digits as its factorization.

25923091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 25923091 is about 5091.4723803631. The cubic root of 25923091 is about 295.9572124359.

The spelling of 25923091 in words is "twenty-five million, nine hundred twenty-three thousand, ninety-one".