42562013 has 4 divisors (see below), whose sum is σ = 45836028. Its totient is φ = 39288000.

The previous prime is 42562007. The next prime is 42562019. The reversal of 42562013 is 31026524.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42562007) and next prime (42562019).

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 39400729 = 1778^2 + 6277^2 .

It is a cyclic number.

It is not a de Polignac number, because 42562013 - 2⁴ = 42561997 is a prime.

It is a super-3 number, since 3×42562013³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 42562013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42562019) 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, 1636988 + ... + 1637013.

It is an arithmetic number, because the mean of its divisors is an integer number (11459007).

Almost surely, 2^42562013 is an apocalyptic number.

It is an amenable number.

42562013 is a deficient number, since it is larger than the sum of its proper divisors (3274015).

42562013 is a wasteful number, since it uses less digits than its factorization.

42562013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274014.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42562013 is about 6523.9568514821. The cubic root of 42562013 is about 349.1462538658.

Adding to 42562013 its reverse (31026524), we get a palindrome (73588537).

The spelling of 42562013 in words is "forty-two million, five hundred sixty-two thousand, thirteen".