108283257 has 8 divisors (see below), whose sum is σ = 160419680. Its totient is φ = 72188820.

The previous prime is 108283249. The next prime is 108283271. The reversal of 108283257 is 752382801.

It is not a de Polignac number, because 108283257 - 2³ = 108283249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108283237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005219 + ... + 2005272.

It is an arithmetic number, because the mean of its divisors is an integer number (20052460).

Almost surely, 2^108283257 is an apocalyptic number.

It is an amenable number.

108283257 is a deficient number, since it is larger than the sum of its proper divisors (52136423).

108283257 is an equidigital number, since it uses as much as digits as its factorization.

108283257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010500 (or 4010494 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 108283257 is about 10405.9241300329. The cubic root of 108283257 is about 476.6362877494.

The spelling of 108283257 in words is "one hundred eight million, two hundred eighty-three thousand, two hundred fifty-seven".