106522581 has 8 divisors (see below), whose sum is σ = 154941984. Its totient is φ = 64559120.

The previous prime is 106522571. The next prime is 106522589. The reversal of 106522581 is 185225601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106522581 - 2²¹ = 104425429 is a prime.

It is a super-2 number, since 2×106522581² = 22694120525803122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106522589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613946 + ... + 1614011.

It is an arithmetic number, because the mean of its divisors is an integer number (19367748).

Almost surely, 2^106522581 is an apocalyptic number.

106522581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106522581 is a deficient number, since it is larger than the sum of its proper divisors (48419403).

106522581 is a wasteful number, since it uses less digits than its factorization.

106522581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227971.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 106522581 is about 10320.9777153136. The cubic root of 106522581 is about 474.0388038164.

The spelling of 106522581 in words is "one hundred six million, five hundred twenty-two thousand, five hundred eighty-one".