25927081 has 2 divisors, whose sum is σ = 25927082. Its totient is φ = 25927080.

The previous prime is 25927007. The next prime is 25927087. The reversal of 25927081 is 18072952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 12355225 = 3684^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 25927081 - 2¹³ = 25918889 is a prime.

It is a super-2 number, since 2×25927081² = 1344427058361122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25927087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963540 + 12963541.

It is an arithmetic number, because the mean of its divisors is an integer number (12963541).

Almost surely, 2^25927081 is an apocalyptic number.

It is an amenable number.

25927081 is a deficient number, since it is larger than the sum of its proper divisors (1).

25927081 is an equidigital number, since it uses as much as digits as its factorization.

25927081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 25927081 is about 5091.8641969322. The cubic root of 25927081 is about 295.9723959223.

The spelling of 25927081 in words is "twenty-five million, nine hundred twenty-seven thousand, eighty-one".