42321435 has 16 divisors (see below), whose sum is σ = 72923424. Its totient is φ = 20835072.

The previous prime is 42321427. The next prime is 42321439. The reversal of 42321435 is 53412324.

It is not a de Polignac number, because 42321435 - 2³ = 42321427 is a prime.

It is a super-2 number, since 2×42321435² = 3582207720918450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42321439) 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, 108322 + ... + 108711.

It is an arithmetic number, because the mean of its divisors is an integer number (4557714).

Almost surely, 2^42321435 is an apocalyptic number.

42321435 is a deficient number, since it is larger than the sum of its proper divisors (30601989).

42321435 is a wasteful number, since it uses less digits than its factorization.

42321435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217054.

The product of its digits is 2880, while the sum is 24.

The square root of 42321435 is about 6505.4926792673. The cubic root of 42321435 is about 348.4871710979.

Adding to 42321435 its reverse (53412324), we get a palindrome (95733759).

The spelling of 42321435 in words is "forty-two million, three hundred twenty-one thousand, four hundred thirty-five".