25203513241 has 8 divisors (see below), whose sum is σ = 25345146240. Its totient is φ = 25062277488.

The previous prime is 25203513233. The next prime is 25203513253. The reversal of 25203513241 is 14231530252.

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

It is a cyclic number.

It is not a de Polignac number, because 25203513241 - 2³ = 25203513233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25203513341) 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, 28395 + ... + 226303.

It is an arithmetic number, because the mean of its divisors is an integer number (3168143280).

Almost surely, 2^25203513241 is an apocalyptic number.

It is an amenable number.

25203513241 is a deficient number, since it is larger than the sum of its proper divisors (141632999).

25203513241 is a wasteful number, since it uses less digits than its factorization.

25203513241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198623.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 25203513241 in words is "twenty-five billion, two hundred three million, five hundred thirteen thousand, two hundred forty-one".