25031205201 has 8 divisors (see below), whose sum is σ = 33379941760. Its totient is φ = 16684969392.

The previous prime is 25031205191. The next prime is 25031205209. The reversal of 25031205201 is 10250213052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25031205201 - 2⁹ = 25031204689 is a prime.

It is a super-2 number, since 2×25031205201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25031205209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601705 + ... + 641958.

It is an arithmetic number, because the mean of its divisors is an integer number (4172492720).

Almost surely, 2^25031205201 is an apocalyptic number.

It is an amenable number.

25031205201 is a deficient number, since it is larger than the sum of its proper divisors (8348736559).

25031205201 is a wasteful number, since it uses less digits than its factorization.

25031205201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250375.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 25031205201 its reverse (10250213052), we get a palindrome (35281418253).

The spelling of 25031205201 in words is "twenty-five billion, thirty-one million, two hundred five thousand, two hundred one".