25692361 has 2 divisors, whose sum is σ = 25692362. Its totient is φ = 25692360.

The previous prime is 25692323. The next prime is 25692377. The reversal of 25692361 is 16329652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 1485961 = 4920^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 25692361 - 2⁹ = 25691849 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25692391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12846180 + 12846181.

It is an arithmetic number, because the mean of its divisors is an integer number (12846181).

Almost surely, 2^25692361 is an apocalyptic number.

It is an amenable number.

25692361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25692361 is an equidigital number, since it uses as much as digits as its factorization.

25692361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 25692361 is about 5068.7632613883. The cubic root of 25692361 is about 295.0765328578.

The spelling of 25692361 in words is "twenty-five million, six hundred ninety-two thousand, three hundred sixty-one".