42013017 has 6 divisors (see below), whose sum is σ = 60685482. Its totient is φ = 28008672.

The previous prime is 42013007. The next prime is 42013031. The reversal of 42013017 is 71031024.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 13111641 = 5376^2 + 3621^2 .

It is not a de Polignac number, because 42013017 - 2¹⁰ = 42011993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42013007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2334048 + ... + 2334065.

It is an arithmetic number, because the mean of its divisors is an integer number (10114247).

Almost surely, 2^42013017 is an apocalyptic number.

It is an amenable number.

42013017 is a deficient number, since it is larger than the sum of its proper divisors (18672465).

42013017 is a wasteful number, since it uses less digits than its factorization.

42013017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668119 (or 4668116 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 42013017 is about 6481.7449039591. The cubic root of 42013017 is about 347.6385714451.

It can be divided in two parts, 4 and 2013017, that added together give a triangular number (2013021 = T₂₀₀₆).

The spelling of 42013017 in words is "forty-two million, thirteen thousand, seventeen".