106543501 has 4 divisors (see below), whose sum is σ = 108810432. Its totient is φ = 104276572.

The previous prime is 106543499. The next prime is 106543511. The reversal of 106543501 is 105345601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 105345601 = 5021 ⋅20981.

It is a cyclic number.

It is not a de Polignac number, because 106543501 - 2¹ = 106543499 is a prime.

It is a super-2 number, since 2×106543501² = 22703035210674002, 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 (106543511) 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, 1133395 + ... + 1133488.

It is an arithmetic number, because the mean of its divisors is an integer number (27202608).

Almost surely, 2^106543501 is an apocalyptic number.

It is an amenable number.

106543501 is a deficient number, since it is larger than the sum of its proper divisors (2266931).

106543501 is an equidigital number, since it uses as much as digits as its factorization.

106543501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266930.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 106543501 is about 10321.9911354351. The cubic root of 106543501 is about 474.0698339904.

The spelling of 106543501 in words is "one hundred six million, five hundred forty-three thousand, five hundred one".