105515983 has 2 divisors, whose sum is σ = 105515984. Its totient is φ = 105515982.

The previous prime is 105515953. The next prime is 105516041. The reversal of 105515983 is 389515501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105515983 - 2⁹ = 105515471 is a prime.

It is a super-2 number, since 2×105515983² = 22267245336912578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105515953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52757991 + 52757992.

It is an arithmetic number, because the mean of its divisors is an integer number (52757992).

Almost surely, 2^105515983 is an apocalyptic number.

105515983 is a deficient number, since it is larger than the sum of its proper divisors (1).

105515983 is an equidigital number, since it uses as much as digits as its factorization.

105515983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 105515983 is about 10272.0973028881. The cubic root of 105515983 is about 472.5409133782.

The spelling of 105515983 in words is "one hundred five million, five hundred fifteen thousand, nine hundred eighty-three".