421424313 has 16 divisors (see below), whose sum is σ = 592097280. Its totient is φ = 265881744.

The previous prime is 421424309. The next prime is 421424321. The reversal of 421424313 is 313424124.

It is not a de Polignac number, because 421424313 - 2² = 421424309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421424303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59520 + ... + 66222.

It is an arithmetic number, because the mean of its divisors is an integer number (37006080).

Almost surely, 2^421424313 is an apocalyptic number.

It is an amenable number.

421424313 is a deficient number, since it is larger than the sum of its proper divisors (170672967).

421424313 is a wasteful number, since it uses less digits than its factorization.

421424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828.

The product of its digits is 2304, while the sum is 24.

The square root of 421424313 is about 20528.6217998189. The cubic root of 421424313 is about 749.7328310612.

Adding to 421424313 its reverse (313424124), we get a palindrome (734848437).

The spelling of 421424313 in words is "four hundred twenty-one million, four hundred twenty-four thousand, three hundred thirteen".