42015041 has 4 divisors (see below), whose sum is σ = 44486532. Its totient is φ = 39543552.

The previous prime is 42015019. The next prime is 42015047. The reversal of 42015041 is 14051024.

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 39325441 + 2689600 = 6271^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 42015041 - 2⁶ = 42014977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 2471473 = 42015041 / (4 + 2 + 0 + 1 + 5 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42015047) 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, 1235720 + ... + 1235753.

It is an arithmetic number, because the mean of its divisors is an integer number (11121633).

Almost surely, 2^42015041 is an apocalyptic number.

It is an amenable number.

42015041 is a deficient number, since it is larger than the sum of its proper divisors (2471491).

42015041 is a wasteful number, since it uses less digits than its factorization.

42015041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471490.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42015041 is about 6481.9010328761. The cubic root of 42015041 is about 347.6441539147.

Adding to 42015041 its reverse (14051024), we get a palindrome (56066065).

The spelling of 42015041 in words is "forty-two million, fifteen thousand, forty-one".