421534035 has 24 divisors (see below), whose sum is σ = 786864624. Its totient is φ = 207524160.

The previous prime is 421534021. The next prime is 421534037. The reversal of 421534035 is 530435124.

It is not a de Polignac number, because 421534035 - 2⁶ = 421533971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421534037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359701 + ... + 360870.

It is an arithmetic number, because the mean of its divisors is an integer number (32786026).

Almost surely, 2^421534035 is an apocalyptic number.

421534035 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421534035 is a deficient number, since it is larger than the sum of its proper divisors (365330589).

421534035 is a wasteful number, since it uses less digits than its factorization.

421534035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720595 (or 720592 counting only the distinct ones).

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

The square root of 421534035 is about 20531.2940410487. The cubic root of 421534035 is about 749.7978922081.

Adding to 421534035 its reverse (530435124), we get a palindrome (951969159).

The spelling of 421534035 in words is "four hundred twenty-one million, five hundred thirty-four thousand, thirty-five".