105542501 has 4 divisors (see below), whose sum is σ = 105563052. Its totient is φ = 105521952.

The previous prime is 105542483. The next prime is 105542509. The reversal of 105542501 is 105245501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 77176225 + 28366276 = 8785^2 + 5326^2 .

It is a cyclic number.

It is not a de Polignac number, because 105542501 - 2¹⁰ = 105541477 is a prime.

It is a super-2 number, since 2×105542501² = 22278439034670002, 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 (105542509) 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, 4865 + ... + 15321.

It is an arithmetic number, because the mean of its divisors is an integer number (26390763).

Almost surely, 2^105542501 is an apocalyptic number.

It is an amenable number.

105542501 is a deficient number, since it is larger than the sum of its proper divisors (20551).

105542501 is a wasteful number, since it uses less digits than its factorization.

105542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20550.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 105542501 is about 10273.3880000709. The cubic root of 105542501 is about 472.5804959766.

The spelling of 105542501 in words is "one hundred five million, five hundred forty-two thousand, five hundred one".