25321212352 has 14 divisors (see below), whose sum is σ = 50246780888. Its totient is φ = 12660606144.

The previous prime is 25321212349. The next prime is 25321212383.

25321212352 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25321212352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197821908 + ... + 197822035.

Almost surely, 2^25321212352 is an apocalyptic number.

It is an amenable number.

25321212352 is a deficient number, since it is larger than the sum of its proper divisors (24925568536).

25321212352 is an equidigital number, since it uses as much as digits as its factorization.

25321212352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395643955 (or 395643945 counting only the distinct ones).

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

The spelling of 25321212352 in words is "twenty-five billion, three hundred twenty-one million, two hundred twelve thousand, three hundred fifty-two".