42466031 has 4 divisors (see below), whose sum is σ = 42547752. Its totient is φ = 42384312.

The previous prime is 42466019. The next prime is 42466033. The reversal of 42466031 is 13066424.

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

It is a cyclic number.

It is not a de Polignac number, because 42466031 - 2¹⁴ = 42449647 is a prime.

It is a super-2 number, since 2×42466031² = 3606727577785922, 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 (42466033) 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, 40076 + ... + 41121.

It is an arithmetic number, because the mean of its divisors is an integer number (10636938).

Almost surely, 2^42466031 is an apocalyptic number.

42466031 is a deficient number, since it is larger than the sum of its proper divisors (81721).

42466031 is an equidigital number, since it uses as much as digits as its factorization.

42466031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81720.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42466031 is about 6516.5965810383. The cubic root of 42466031 is about 348.8836019855.

The spelling of 42466031 in words is "forty-two million, four hundred sixty-six thousand, thirty-one".