442012535 has 4 divisors (see below), whose sum is σ = 530415048. Its totient is φ = 353610024.

The previous prime is 442012511. The next prime is 442012541. The reversal of 442012535 is 535210244.

It is a happy number.

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 442012535 - 2¹⁰ = 442011511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44201249 + ... + 44201258.

It is an arithmetic number, because the mean of its divisors is an integer number (132603762).

Almost surely, 2^442012535 is an apocalyptic number.

442012535 is a deficient number, since it is larger than the sum of its proper divisors (88402513).

442012535 is an equidigital number, since it uses as much as digits as its factorization.

442012535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88402512.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 442012535 is about 21024.0941540890. The cubic root of 442012535 is about 761.7483611654.

Adding to 442012535 its reverse (535210244), we get a palindrome (977222779).

The spelling of 442012535 in words is "four hundred forty-two million, twelve thousand, five hundred thirty-five".