42968533 has 4 divisors (see below), whose sum is σ = 44016588. Its totient is φ = 41920480.

The previous prime is 42968509. The next prime is 42968539. The reversal of 42968533 is 33586924.

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 5489649 + 37478884 = 2343^2 + 6122^2 .

It is a cyclic number.

It is not a de Polignac number, because 42968533 - 2¹³ = 42960341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42968539) 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, 523966 + ... + 524047.

It is an arithmetic number, because the mean of its divisors is an integer number (11004147).

Almost surely, 2^42968533 is an apocalyptic number.

It is an amenable number.

42968533 is a deficient number, since it is larger than the sum of its proper divisors (1048055).

42968533 is a wasteful number, since it uses less digits than its factorization.

42968533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048054.

The product of its digits is 155520, while the sum is 40.

The square root of 42968533 is about 6555.0387489320. The cubic root of 42968533 is about 350.2543267139.

The spelling of 42968533 in words is "forty-two million, nine hundred sixty-eight thousand, five hundred thirty-three".