25478801 has 8 divisors (see below), whose sum is σ = 27241344. Its totient is φ = 23745600.

The previous prime is 25478797. The next prime is 25478809. The reversal of 25478801 is 10887452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25478801 - 2² = 25478797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25478809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5525 + ... + 9026.

It is an arithmetic number, because the mean of its divisors is an integer number (3405168).

Almost surely, 2^25478801 is an apocalyptic number.

It is an amenable number.

25478801 is a deficient number, since it is larger than the sum of its proper divisors (1762543).

25478801 is a wasteful number, since it uses less digits than its factorization.

25478801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14671.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 25478801 is about 5047.6530189782. The cubic root of 25478801 is about 294.2566788274.

The spelling of 25478801 in words is "twenty-five million, four hundred seventy-eight thousand, eight hundred one".