108919425 has 24 divisors (see below), whose sum is σ = 190675296. Its totient is φ = 54672640.

The previous prime is 108919417. The next prime is 108919429. The reversal of 108919425 is 524919801.

It is not a de Polignac number, because 108919425 - 2³ = 108919417 is a prime.

It is a super-2 number, since 2×108919425² = 23726882284661250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108919429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41439 + ... + 43988.

It is an arithmetic number, because the mean of its divisors is an integer number (7944804).

Almost surely, 2^108919425 is an apocalyptic number.

108919425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108919425 is a deficient number, since it is larger than the sum of its proper divisors (81755871).

108919425 is a wasteful number, since it uses less digits than its factorization.

108919425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85457 (or 85452 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 108919425 is about 10436.4469528667. The cubic root of 108919425 is about 477.5678841382.

The spelling of 108919425 in words is "one hundred eight million, nine hundred nineteen thousand, four hundred twenty-five".