25164801 has 12 divisors (see below), whose sum is σ = 36461412. Its totient is φ = 16724736.

The previous prime is 25164793. The next prime is 25164803. The reversal of 25164801 is 10846152.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 7017201 = 4260^2 + 2649^2 .

It is not a de Polignac number, because 25164801 - 2³ = 25164793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25164803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (3038451).

Almost surely, 2^25164801 is an apocalyptic number.

It is an amenable number.

25164801 is a deficient number, since it is larger than the sum of its proper divisors (11296611).

25164801 is a wasteful number, since it uses less digits than its factorization.

25164801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640 (or 8637 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 25164801 is about 5016.4530297811. The cubic root of 25164801 is about 293.0428752192.

The spelling of 25164801 in words is "twenty-five million, one hundred sixty-four thousand, eight hundred one".