421268535 has 24 divisors (see below), whose sum is σ = 732391920. Its totient is φ = 224001792.

The previous prime is 421268531. The next prime is 421268537. The reversal of 421268535 is 535862124.

It is not a de Polignac number, because 421268535 - 2² = 421268531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421268535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421268531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276 + ... + 29054.

It is an arithmetic number, because the mean of its divisors is an integer number (30516330).

Almost surely, 2^421268535 is an apocalyptic number.

421268535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421268535 is a deficient number, since it is larger than the sum of its proper divisors (311123385).

421268535 is a wasteful number, since it uses less digits than its factorization.

421268535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127 (or 28124 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 421268535 is about 20524.8272830735. The cubic root of 421268535 is about 749.6404409840.

The spelling of 421268535 in words is "four hundred twenty-one million, two hundred sixty-eight thousand, five hundred thirty-five".