25726097 has 2 divisors, whose sum is σ = 25726098. Its totient is φ = 25726096.

The previous prime is 25726087. The next prime is 25726109. The reversal of 25726097 is 79062752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 2676496 = 4801^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 25726097 - 2²² = 21531793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25726097.

It is not a weakly prime, because it can be changed into another prime (25726007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12863048 + 12863049.

It is an arithmetic number, because the mean of its divisors is an integer number (12863049).

Almost surely, 2^25726097 is an apocalyptic number.

It is an amenable number.

25726097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25726097 is an equidigital number, since it uses as much as digits as its factorization.

25726097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 25726097 is about 5072.0900031447. The cubic root of 25726097 is about 295.2056289213.

The spelling of 25726097 in words is "twenty-five million, seven hundred twenty-six thousand, ninety-seven".