25355201 has 4 divisors (see below), whose sum is σ = 25601472. Its totient is φ = 25108932.

The previous prime is 25355167. The next prime is 25355207. The reversal of 25355201 is 10255352.

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-25355201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25355207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122981 + ... + 123186.

It is an arithmetic number, because the mean of its divisors is an integer number (6400368).

Almost surely, 2^25355201 is an apocalyptic number.

It is an amenable number.

25355201 is a deficient number, since it is larger than the sum of its proper divisors (246271).

25355201 is a wasteful number, since it uses less digits than its factorization.

25355201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246270.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25355201 is about 5035.3948206670. The cubic root of 25355201 is about 293.7800852844.

The spelling of 25355201 in words is "twenty-five million, three hundred fifty-five thousand, two hundred one".