25840201 has 4 divisors (see below), whose sum is σ = 26963712. Its totient is φ = 24716692.

The previous prime is 25840193. The next prime is 25840207. The reversal of 25840201 is 10204852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25840201 - 2³ = 25840193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25840207) 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, 561721 + ... + 561766.

It is an arithmetic number, because the mean of its divisors is an integer number (6740928).

Almost surely, 2^25840201 is an apocalyptic number.

It is an amenable number.

25840201 is a deficient number, since it is larger than the sum of its proper divisors (1123511).

25840201 is a wasteful number, since it uses less digits than its factorization.

25840201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123510.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 25840201 is about 5083.3257814152. The cubic root of 25840201 is about 295.6414310722.

The spelling of 25840201 in words is "twenty-five million, eight hundred forty thousand, two hundred one".