421024065 has 32 divisors (see below), whose sum is σ = 839863296. Its totient is φ = 174970560.

The previous prime is 421024063. The next prime is 421024081. The reversal of 421024065 is 560420124.

It is not a de Polignac number, because 421024065 - 2¹ = 421024063 is a prime.

It is a super-2 number, since 2×421024065² = 354522526618248450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421024061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181107 + ... + 183416.

It is an arithmetic number, because the mean of its divisors is an integer number (26245728).

Almost surely, 2^421024065 is an apocalyptic number.

It is an amenable number.

421024065 is a deficient number, since it is larger than the sum of its proper divisors (418839231).

421024065 is a wasteful number, since it uses less digits than its factorization.

421024065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364549.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 421024065 is about 20518.8709484708. The cubic root of 421024065 is about 749.4954028073.

Adding to 421024065 its reverse (560420124), we get a palindrome (981444189).

The spelling of 421024065 in words is "four hundred twenty-one million, twenty-four thousand, sixty-five".