2105534242 has 16 divisors (see below), whose sum is σ = 3610156032. Its totient is φ = 902204640.

The previous prime is 2105534237. The next prime is 2105534243. The reversal of 2105534242 is 2424355012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105534242.

It is not an unprimeable number, because it can be changed into a prime (2105534243) 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, 92223 + ... + 112765.

It is an arithmetic number, because the mean of its divisors is an integer number (225634752).

Almost surely, 2^2105534242 is an apocalyptic number.

2105534242 is a deficient number, since it is larger than the sum of its proper divisors (1504621790).

2105534242 is a wasteful number, since it uses less digits than its factorization.

2105534242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27873.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2105534242 is about 45886.1007495734. The cubic root of 2105534242 is about 1281.7031044294.

Adding to 2105534242 its reverse (2424355012), we get a palindrome (4529889254).

The spelling of 2105534242 in words is "two billion, one hundred five million, five hundred thirty-four thousand, two hundred forty-two".