63421435 has 48 divisors (see below), whose sum is σ = 97954272. Its totient is φ = 38976000.

The previous prime is 63421433. The next prime is 63421439. The reversal of 63421435 is 53412436.

It is not a de Polignac number, because 63421435 - 2¹ = 63421433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63421433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272079 + ... + 272311.

It is an arithmetic number, because the mean of its divisors is an integer number (2040714).

Almost surely, 2^63421435 is an apocalyptic number.

63421435 is a deficient number, since it is larger than the sum of its proper divisors (34532837).

63421435 is a wasteful number, since it uses less digits than its factorization.

63421435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 357 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 63421435 is about 7963.7575929959. The cubic root of 63421435 is about 398.7910057639.

It can be divided in two parts, 6342 and 1435, that added together give a palindrome (7777).

The spelling of 63421435 in words is "sixty-three million, four hundred twenty-one thousand, four hundred thirty-five".