106613515 has 4 divisors (see below), whose sum is σ = 127936224. Its totient is φ = 85290808.

The previous prime is 106613491. The next prime is 106613527. The reversal of 106613515 is 515316601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106613515 is a prime.

It is a super-2 number, since 2×106613515² = 22732883161310450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661347 + ... + 10661356.

It is an arithmetic number, because the mean of its divisors is an integer number (31984056).

Almost surely, 2^106613515 is an apocalyptic number.

106613515 is a deficient number, since it is larger than the sum of its proper divisors (21322709).

106613515 is an equidigital number, since it uses as much as digits as its factorization.

106613515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322708.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 106613515 is about 10325.3820752551. The cubic root of 106613515 is about 474.1736546746.

The spelling of 106613515 in words is "one hundred six million, six hundred thirteen thousand, five hundred fifteen".