25379816 has 32 divisors (see below), whose sum is σ = 59330880. Its totient is φ = 9888000.

The previous prime is 25379797. The next prime is 25379819. The reversal of 25379816 is 61897352.

It is not an unprimeable number, because it can be changed into a prime (25379819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19985 + ... + 21216.

It is an arithmetic number, because the mean of its divisors is an integer number (1854090).

Almost surely, 2^25379816 is an apocalyptic number.

It is an amenable number.

25379816 is an abundant number, since it is smaller than the sum of its proper divisors (33951064).

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

25379816 is a wasteful number, since it uses less digits than its factorization.

25379816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41225 (or 41221 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 25379816 is about 5037.8384253567. The cubic root of 25379816 is about 293.8751224323.

The spelling of 25379816 in words is "twenty-five million, three hundred seventy-nine thousand, eight hundred sixteen".