106520537 has 4 divisors (see below), whose sum is σ = 106546596. Its totient is φ = 106494480.

The previous prime is 106520527. The next prime is 106520543. The reversal of 106520537 is 735025601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 22174681 = 9184^2 + 4709^2 .

It is a cyclic number.

It is not a de Polignac number, because 106520537 - 2²² = 102326233 is a prime.

It is a super-2 number, since 2×106520537² = 22693249605536738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106520527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5414 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (26636649).

Almost surely, 2^106520537 is an apocalyptic number.

It is an amenable number.

106520537 is a deficient number, since it is larger than the sum of its proper divisors (26059).

106520537 is an equidigital number, since it uses as much as digits as its factorization.

106520537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26058.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 106520537 is about 10320.8786932121. The cubic root of 106520537 is about 474.0357717785.

The spelling of 106520537 in words is "one hundred six million, five hundred twenty thousand, five hundred thirty-seven".