106213547 has 4 divisors (see below), whose sum is σ = 115869336. Its totient is φ = 96557760.

The previous prime is 106213543. The next prime is 106213649. The reversal of 106213547 is 745312601.

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

It is a cyclic number.

It is not a de Polignac number, because 106213547 - 2² = 106213543 is a prime.

It is a super-2 number, since 2×106213547² = 22562635132642418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106213543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827878 + ... + 4827899.

It is an arithmetic number, because the mean of its divisors is an integer number (28967334).

Almost surely, 2^106213547 is an apocalyptic number.

106213547 is a deficient number, since it is larger than the sum of its proper divisors (9655789).

106213547 is an equidigital number, since it uses as much as digits as its factorization.

106213547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655788.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 106213547 is about 10305.9956821260. The cubic root of 106213547 is about 473.5799464850.

The spelling of 106213547 in words is "one hundred six million, two hundred thirteen thousand, five hundred forty-seven".