106213517 has 4 divisors (see below), whose sum is σ = 110831520. Its totient is φ = 101595516.

The previous prime is 106213507. The next prime is 106213543. The reversal of 106213517 is 715312601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106213517 - 2⁶ = 106213453 is a prime.

It is a super-2 number, since 2×106213517² = 22562622387018578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106213507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308967 + ... + 2309012.

It is an arithmetic number, because the mean of its divisors is an integer number (27707880).

Almost surely, 2^106213517 is an apocalyptic number.

It is an amenable number.

106213517 is a deficient number, since it is larger than the sum of its proper divisors (4618003).

106213517 is an equidigital number, since it uses as much as digits as its factorization.

106213517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618002.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 106213517 is about 10305.9942266625. The cubic root of 106213517 is about 473.5799018975.

The spelling of 106213517 in words is "one hundred six million, two hundred thirteen thousand, five hundred seventeen".