25466801 has 4 divisors (see below), whose sum is σ = 25476900. Its totient is φ = 25456704.

The previous prime is 25466789. The next prime is 25466827. The reversal of 25466801 is 10866452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22316176 + 3150625 = 4724^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 25466801 - 2⁶ = 25466737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25466851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (6369225).

Almost surely, 2^25466801 is an apocalyptic number.

It is an amenable number.

25466801 is a deficient number, since it is larger than the sum of its proper divisors (10099).

25466801 is an equidigital number, since it uses as much as digits as its factorization.

25466801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10098.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 25466801 is about 5046.4642077399. The cubic root of 25466801 is about 294.2104752581.

The spelling of 25466801 in words is "twenty-five million, four hundred sixty-six thousand, eight hundred one".