25885361 has 2 divisors, whose sum is σ = 25885362. Its totient is φ = 25885360.

The previous prime is 25885357. The next prime is 25885381. The reversal of 25885361 is 16358852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 78961 = 5080^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 25885361 - 2² = 25885357 is a prime.

It is a Chen prime.

It is equal to p_1617797 and since 25885361 and 1617797 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25885331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942680 + 12942681.

It is an arithmetic number, because the mean of its divisors is an integer number (12942681).

Almost surely, 2^25885361 is an apocalyptic number.

It is an amenable number.

25885361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25885361 is an equidigital number, since it uses as much as digits as its factorization.

25885361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 25885361 is about 5087.7658161515. The cubic root of 25885361 is about 295.8135581747.

The spelling of 25885361 in words is "twenty-five million, eight hundred eighty-five thousand, three hundred sixty-one".