25396601 has 2 divisors, whose sum is σ = 25396602. Its totient is φ = 25396600.

The previous prime is 25396561. The next prime is 25396619. The reversal of 25396601 is 10669352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 156025 = 5024^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 25396601 - 2¹⁴ = 25380217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25396621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12698300 + 12698301.

It is an arithmetic number, because the mean of its divisors is an integer number (12698301).

Almost surely, 2^25396601 is an apocalyptic number.

It is an amenable number.

25396601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25396601 is an equidigital number, since it uses as much as digits as its factorization.

25396601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25396601 is about 5039.5040430582. The cubic root of 25396601 is about 293.9398931529.

The spelling of 25396601 in words is "twenty-five million, three hundred ninety-six thousand, six hundred one".