442034531 has 8 divisors (see below), whose sum is σ = 445641504. Its totient is φ = 438436800.

The previous prime is 442034513. The next prime is 442034533. The reversal of 442034531 is 135430244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442034531 is a prime.

It is a super-2 number, since 2×442034531² = 390789053192779922, which contains 22 as substring.

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 442034531.

It is not an unprimeable number, because it can be changed into a prime (442034533) 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, 118511 + ... + 122183.

It is an arithmetic number, because the mean of its divisors is an integer number (55705188).

Almost surely, 2^442034531 is an apocalyptic number.

442034531 is a deficient number, since it is larger than the sum of its proper divisors (3606973).

442034531 is a wasteful number, since it uses less digits than its factorization.

442034531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 442034531 is about 21024.6172616768. The cubic root of 442034531 is about 761.7609966585.

Adding to 442034531 its reverse (135430244), we get a palindrome (577464775).

The spelling of 442034531 in words is "four hundred forty-two million, thirty-four thousand, five hundred thirty-one".