25232216873 has 4 divisors (see below), whose sum is σ = 25383308160. Its totient is φ = 25081125588.

The previous prime is 25232216803. The next prime is 25232216897. The reversal of 25232216873 is 37861223252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25232216873 - 2¹⁴ = 25232200489 is a prime.

It is a super-2 number, since 2×25232216873² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25232216873.

It is not an unprimeable number, because it can be changed into a prime (25232216803) 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, 75545393 + ... + 75545726.

It is an arithmetic number, because the mean of its divisors is an integer number (6345827040).

Almost surely, 2^25232216873 is an apocalyptic number.

It is an amenable number.

25232216873 is a deficient number, since it is larger than the sum of its proper divisors (151091287).

25232216873 is a wasteful number, since it uses less digits than its factorization.

25232216873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151091286.

The product of its digits is 241920, while the sum is 41.

The spelling of 25232216873 in words is "twenty-five billion, two hundred thirty-two million, two hundred sixteen thousand, eight hundred seventy-three".