106591049 has 4 divisors (see below), whose sum is σ = 106888320. Its totient is φ = 106293780.

The previous prime is 106591033. The next prime is 106591073. The reversal of 106591049 is 940195601.

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 106591049 - 2⁴ = 106591033 is a prime.

It is a super-2 number, since 2×106591049² = 22723303453840802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106591019) 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, 148097 + ... + 148814.

It is an arithmetic number, because the mean of its divisors is an integer number (26722080).

Almost surely, 2^106591049 is an apocalyptic number.

It is an amenable number.

106591049 is a deficient number, since it is larger than the sum of its proper divisors (297271).

106591049 is an equidigital number, since it uses as much as digits as its factorization.

106591049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297270.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 106591049 is about 10324.2941163065. The cubic root of 106591049 is about 474.1403457841.

The spelling of 106591049 in words is "one hundred six million, five hundred ninety-one thousand, forty-nine".