105515497 has 2 divisors, whose sum is σ = 105515498. Its totient is φ = 105515496.

The previous prime is 105515477. The next prime is 105515503. The reversal of 105515497 is 794515501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98029801 + 7485696 = 9901^2 + 2736^2 .

It is a cyclic number.

It is not a de Polignac number, because 105515497 - 2¹⁹ = 104991209 is a prime.

It is a super-2 number, since 2×105515497² = 22267040214314018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105515437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52757748 + 52757749.

It is an arithmetic number, because the mean of its divisors is an integer number (52757749).

Almost surely, 2^105515497 is an apocalyptic number.

It is an amenable number.

105515497 is a deficient number, since it is larger than the sum of its proper divisors (1).

105515497 is an equidigital number, since it uses as much as digits as its factorization.

105515497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 105515497 is about 10272.0736465428. The cubic root of 105515497 is about 472.5401878791.

The spelling of 105515497 in words is "one hundred five million, five hundred fifteen thousand, four hundred ninety-seven".