421232535 has 32 divisors (see below), whose sum is σ = 749952000. Its totient is φ = 224329248.

The previous prime is 421232521. The next prime is 421232543. The reversal of 421232535 is 535232124.

It is a happy number.

421232535 is a `hidden beast` number, since 4 + 2 + 123 + 2 + 535 = 666.

It is not a de Polignac number, because 421232535 - 2¹² = 421228439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 421232499 and 421232508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111406 + ... + 115124.

It is an arithmetic number, because the mean of its divisors is an integer number (23436000).

Almost surely, 2^421232535 is an apocalyptic number.

421232535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421232535 is a deficient number, since it is larger than the sum of its proper divisors (328719465).

421232535 is a wasteful number, since it uses less digits than its factorization.

421232535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4566 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 421232535 is about 20523.9502776634. The cubic root of 421232535 is about 749.6190865727.

Adding to 421232535 its reverse (535232124), we get a palindrome (956464659).

The spelling of 421232535 in words is "four hundred twenty-one million, two hundred thirty-two thousand, five hundred thirty-five".