42112853 has 4 divisors (see below), whose sum is σ = 42136908. Its totient is φ = 42088800.

The previous prime is 42112817. The next prime is 42112879. The reversal of 42112853 is 35821124.

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 2900209 + 39212644 = 1703^2 + 6262^2 .

It is a cyclic number.

It is not a de Polignac number, because 42112853 - 2¹⁰ = 42111829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112153) 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, 9176 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (10534227).

Almost surely, 2^42112853 is an apocalyptic number.

It is an amenable number.

42112853 is a deficient number, since it is larger than the sum of its proper divisors (24055).

42112853 is a wasteful number, since it uses less digits than its factorization.

42112853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24054.

The product of its digits is 1920, while the sum is 26.

The square root of 42112853 is about 6489.4416554893. The cubic root of 42112853 is about 347.9137194168.

Adding to 42112853 its reverse (35821124), we get a palindrome (77933977).

The spelling of 42112853 in words is "forty-two million, one hundred twelve thousand, eight hundred fifty-three".