42115033 has 4 divisors (see below), whose sum is σ = 42422580. Its totient is φ = 41807488.

The previous prime is 42115027. The next prime is 42115049. The reversal of 42115033 is 33051124.

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 35081929 + 7033104 = 5923^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 42115033 - 2⁹ = 42114521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42115033.

It is not an unprimeable number, because it can be changed into a prime (42115133) 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, 153568 + ... + 153841.

It is an arithmetic number, because the mean of its divisors is an integer number (10605645).

Almost surely, 2^42115033 is an apocalyptic number.

It is an amenable number.

42115033 is a deficient number, since it is larger than the sum of its proper divisors (307547).

42115033 is a wasteful number, since it uses less digits than its factorization.

42115033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307546.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 42115033 is about 6489.6096184593. The cubic root of 42115033 is about 347.9197226420.

Adding to 42115033 its reverse (33051124), we get a palindrome (75166157).

It can be divided in two parts, 42 and 115033, that multiplied together give a triangular number (4831386 = T₃₁₀₈).

The spelling of 42115033 in words is "forty-two million, one hundred fifteen thousand, thirty-three".