25285001 has 8 divisors (see below), whose sum is σ = 30597120. Its totient is φ = 20397888.

The previous prime is 25284983. The next prime is 25285009. The reversal of 25285001 is 10058252.

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

It is not a de Polignac number, because 25285001 - 2²² = 21090697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25285009) 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, 106121 + ... + 106358.

It is an arithmetic number, because the mean of its divisors is an integer number (3824640).

Almost surely, 2^25285001 is an apocalyptic number.

It is an amenable number.

25285001 is a deficient number, since it is larger than the sum of its proper divisors (5312119).

25285001 is a wasteful number, since it uses less digits than its factorization.

25285001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212503.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 25285001 is about 5028.4193341447. The cubic root of 25285001 is about 293.5087086891.

The spelling of 25285001 in words is "twenty-five million, two hundred eighty-five thousand, one".