42060431 has 16 divisors (see below), whose sum is σ = 51068160. Its totient is φ = 33816960.

The previous prime is 42060419. The next prime is 42060437. The reversal of 42060431 is 13406024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42060431 - 2¹⁴ = 42044047 is a prime.

It is a super-2 number, since 2×42060431² = 3538159711811522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42060437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67640 + ... + 68258.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 2^42060431 is an apocalyptic number.

42060431 is a deficient number, since it is larger than the sum of its proper divisors (9007729).

42060431 is a wasteful number, since it uses less digits than its factorization.

42060431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42060431 is about 6485.4013753969. The cubic root of 42060431 is about 347.7692986947.

Adding to 42060431 its reverse (13406024), we get a palindrome (55466455).

The spelling of 42060431 in words is "forty-two million, sixty thousand, four hundred thirty-one".