25378287352 has 24 divisors (see below), whose sum is σ = 52303393800. Its totient is φ = 11535584720.

The previous prime is 25378287349. The next prime is 25378287371.

25378287352 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 25378287352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13107652 + ... + 13109587.

It is an arithmetic number, because the mean of its divisors is an integer number (2179308075).

Almost surely, 2^25378287352 is an apocalyptic number.

25378287352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25378287352 is an abundant number, since it is smaller than the sum of its proper divisors (26925106448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25378287352 is a wasteful number, since it uses less digits than its factorization.

25378287352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26217267 (or 26217252 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 25378287352 in words is "twenty-five billion, three hundred seventy-eight million, two hundred eighty-seven thousand, three hundred fifty-two".