421345435 has 16 divisors (see below), whose sum is σ = 578909376. Its totient is φ = 288390528.

The previous prime is 421345411. The next prime is 421345439. The reversal of 421345435 is 534543124.

It is a cyclic number.

It is not a de Polignac number, because 421345435 - 2⁵ = 421345403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421345397 and 421345406.

It is not an unprimeable number, because it can be changed into a prime (421345439) 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, 8689 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (36181836).

Almost surely, 2^421345435 is an apocalyptic number.

421345435 is a deficient number, since it is larger than the sum of its proper divisors (157563941).

421345435 is a wasteful number, since it uses less digits than its factorization.

421345435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182.

The product of its digits is 28800, while the sum is 31.

The square root of 421345435 is about 20526.7005385668. The cubic root of 421345435 is about 749.6860523045.

Adding to 421345435 its reverse (534543124), we get a palindrome (955888559).

The spelling of 421345435 in words is "four hundred twenty-one million, three hundred forty-five thousand, four hundred thirty-five".