25365401 has 6 divisors (see below), whose sum is σ = 26271102. Its totient is φ = 24489920.

The previous prime is 25365397. The next prime is 25365407. The reversal of 25365401 is 10456352.

It can be written as a sum of positive squares in 3 ways, for example, as 7557001 + 17808400 = 2749^2 + 4220^2 .

It is not a de Polignac number, because 25365401 - 2² = 25365397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25365407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14240 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (4378517).

Almost surely, 2^25365401 is an apocalyptic number.

It is an amenable number.

25365401 is a deficient number, since it is larger than the sum of its proper divisors (905701).

25365401 is an equidigital number, since it uses as much as digits as its factorization.

25365401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30219 (or 30190 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25365401 is about 5036.4075490373. The cubic root of 25365401 is about 293.8194743777.

The spelling of 25365401 in words is "twenty-five million, three hundred sixty-five thousand, four hundred one".