25378756 has 48 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 10437120.

The previous prime is 25378753. The next prime is 25378777. The reversal of 25378756 is 65787352.

It is a super-2 number, since 2×25378756² = 1288162512215072, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25378753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16041 + ... + 17551.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^25378756 is an apocalyptic number.

25378756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25378756 is an abundant number, since it is smaller than the sum of its proper divisors (27964604).

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

25378756 is a wasteful number, since it uses less digits than its factorization.

25378756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1562 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 25378756 is about 5037.7332204078. The cubic root of 25378756 is about 293.8710310976.

The spelling of 25378756 in words is "twenty-five million, three hundred seventy-eight thousand, seven hundred fifty-six".