106506515 has 8 divisors (see below), whose sum is σ = 128284560. Its totient is φ = 84887392.

The previous prime is 106506511. The next prime is 106506527. The reversal of 106506515 is 515605601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106506515 - 2² = 106506511 is a prime.

It is a super-2 number, since 2×106506515² = 22687275474890450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106506511) 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, 38249 + ... + 40938.

It is an arithmetic number, because the mean of its divisors is an integer number (16035570).

Almost surely, 2^106506515 is an apocalyptic number.

106506515 is a deficient number, since it is larger than the sum of its proper divisors (21778045).

106506515 is an equidigital number, since it uses as much as digits as its factorization.

106506515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79461.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 106506515 is about 10320.1993682293. The cubic root of 106506515 is about 474.0149707153.

The spelling of 106506515 in words is "one hundred six million, five hundred six thousand, five hundred fifteen".