25602361 has 2 divisors, whose sum is σ = 25602362. Its totient is φ = 25602360.

The previous prime is 25602337. The next prime is 25602377. The reversal of 25602361 is 16320652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15642025 + 9960336 = 3955^2 + 3156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25602361 is a prime.

It is not a weakly prime, because it can be changed into another prime (25602061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12801180 + 12801181.

It is an arithmetic number, because the mean of its divisors is an integer number (12801181).

Almost surely, 2^25602361 is an apocalyptic number.

It is an amenable number.

25602361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25602361 is an equidigital number, since it uses as much as digits as its factorization.

25602361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25602361 is about 5059.8775676888. The cubic root of 25602361 is about 294.7315800277.

The spelling of 25602361 in words is "twenty-five million, six hundred two thousand, three hundred sixty-one".