25255334201 has 4 divisors (see below), whose sum is σ = 25871318004. Its totient is φ = 24639350400.

The previous prime is 25255334189. The next prime is 25255334213. The reversal of 25255334201 is 10243355252.

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

It is an interprime number because it is at equal distance from previous prime (25255334189) and next prime (25255334213).

It can be written as a sum of positive squares in 2 ways, for example, as 11599074601 + 13656259600 = 107699^2 + 116860^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255334201 - 2¹⁸ = 25255072057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25255334701) 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, 307991840 + ... + 307991921.

It is an arithmetic number, because the mean of its divisors is an integer number (6467829501).

Almost surely, 2^25255334201 is an apocalyptic number.

It is an amenable number.

25255334201 is a deficient number, since it is larger than the sum of its proper divisors (615983803).

25255334201 is an equidigital number, since it uses as much as digits as its factorization.

25255334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615983802.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 25255334201 its reverse (10243355252), we get a palindrome (35498689453).

The spelling of 25255334201 in words is "twenty-five billion, two hundred fifty-five million, three hundred thirty-four thousand, two hundred one".