42013243 has 2 divisors, whose sum is σ = 42013244. Its totient is φ = 42013242.

The previous prime is 42013219. The next prime is 42013267. The reversal of 42013243 is 34231024.

It is a balanced prime because it is at equal distance from previous prime (42013219) and next prime (42013267).

It is a cyclic number.

It is not a de Polignac number, because 42013243 - 2⁵ = 42013211 is a prime.

It is a super-2 number, since 2×42013243² = 3530225174754098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42013243.

It is not a weakly prime, because it can be changed into another prime (42013343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006621 + 21006622.

It is an arithmetic number, because the mean of its divisors is an integer number (21006622).

Almost surely, 2^42013243 is an apocalyptic number.

42013243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42013243 is an equidigital number, since it uses as much as digits as its factorization.

42013243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42013243 is about 6481.7623375128. The cubic root of 42013243 is about 347.6391947930.

Adding to 42013243 its reverse (34231024), we get a palindrome (76244267).

The spelling of 42013243 in words is "forty-two million, thirteen thousand, two hundred forty-three".