25335472197 has 24 divisors (see below), whose sum is σ = 39961879200. Its totient is φ = 14232027936.

The previous prime is 25335472177. The next prime is 25335472223. The reversal of 25335472197 is 79127453352.

It is not a de Polignac number, because 25335472197 - 2⁶ = 25335472133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25335472177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451922 + ... + 1469267.

It is an arithmetic number, because the mean of its divisors is an integer number (1665078300).

Almost surely, 2^25335472197 is an apocalyptic number.

It is an amenable number.

25335472197 is a deficient number, since it is larger than the sum of its proper divisors (14626407003).

25335472197 is a wasteful number, since it uses less digits than its factorization.

25335472197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921265 (or 2921258 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 48.

The spelling of 25335472197 in words is "twenty-five billion, three hundred thirty-five million, four hundred seventy-two thousand, one hundred ninety-seven".