42010531 has 8 divisors (see below), whose sum is σ = 43740720. Its totient is φ = 40299168.

The previous prime is 42010523. The next prime is 42010567. The reversal of 42010531 is 13501024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42010531 - 2³ = 42010523 is a prime.

It is a super-2 number, since 2×42010531² = 3529769429803922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42010511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 9166.

It is an arithmetic number, because the mean of its divisors is an integer number (5467590).

Almost surely, 2^42010531 is an apocalyptic number.

42010531 is a deficient number, since it is larger than the sum of its proper divisors (1730189).

42010531 is a wasteful number, since it uses less digits than its factorization.

42010531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 42010531 is about 6481.5531317733. The cubic root of 42010531 is about 347.6317144708.

Adding to 42010531 its reverse (13501024), we get a palindrome (55511555).

The spelling of 42010531 in words is "forty-two million, ten thousand, five hundred thirty-one".