100524161 has 4 divisors (see below), whose sum is σ = 101258052. Its totient is φ = 99790272.

The previous prime is 100524133. The next prime is 100524167. The reversal of 100524161 is 161425001.

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 75082225 + 25441936 = 8665^2 + 5044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100524161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100524167) 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, 366740 + ... + 367013.

It is an arithmetic number, because the mean of its divisors is an integer number (25314513).

Almost surely, 2^100524161 is an apocalyptic number.

It is an amenable number.

100524161 is a deficient number, since it is larger than the sum of its proper divisors (733891).

100524161 is an equidigital number, since it uses as much as digits as its factorization.

100524161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733890.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 100524161 is about 10026.1737966185. The cubic root of 100524161 is about 464.9684504744.

Adding to 100524161 its reverse (161425001), we get a palindrome (261949162).

The spelling of 100524161 in words is "one hundred million, five hundred twenty-four thousand, one hundred sixty-one".