25331201 has 4 divisors (see below), whose sum is σ = 28949952. Its totient is φ = 21712452.

The previous prime is 25331177. The next prime is 25331203. The reversal of 25331201 is 10213352.

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 a de Polignac number, because none of the positive numbers 2^k-25331201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25331201.

It is not an unprimeable number, because it can be changed into a prime (25331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809365 + ... + 1809378.

It is an arithmetic number, because the mean of its divisors is an integer number (7237488).

Almost surely, 2^25331201 is an apocalyptic number.

It is an amenable number.

25331201 is a deficient number, since it is larger than the sum of its proper divisors (3618751).

25331201 is an equidigital number, since it uses as much as digits as its factorization.

25331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618750.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25331201 is about 5033.0111265524. The cubic root of 25331201 is about 293.6873633764.

Adding to 25331201 its reverse (10213352), we get a palindrome (35544553).

The spelling of 25331201 in words is "twenty-five million, three hundred thirty-one thousand, two hundred one".