25224553201 has 4 divisors (see below), whose sum is σ = 25226506404. Its totient is φ = 25222600000.

The previous prime is 25224553181. The next prime is 25224553217. The reversal of 25224553201 is 10235542252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8597740176 + 16626813025 = 92724^2 + 128945^2 .

It is a cyclic number.

It is not a de Polignac number, because 25224553201 - 2⁷ = 25224553073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25224553001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957100 + ... + 983101.

It is an arithmetic number, because the mean of its divisors is an integer number (6306626601).

Almost surely, 2^25224553201 is an apocalyptic number.

It is an amenable number.

25224553201 is a deficient number, since it is larger than the sum of its proper divisors (1953203).

25224553201 is a wasteful number, since it uses less digits than its factorization.

25224553201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953202.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 25224553201 in words is "twenty-five billion, two hundred twenty-four million, five hundred fifty-three thousand, two hundred one".