421359 has 4 divisors (see below), whose sum is σ = 561816. Its totient is φ = 280904.

The previous prime is 421349. The next prime is 421361. The reversal of 421359 is 953124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421359 - 2⁸ = 421103 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70224 + ... + 70229.

It is an arithmetic number, because the mean of its divisors is an integer number (140454).

2⁴²¹³⁵⁹ is an apocalyptic number.

421359 is a deficient number, since it is larger than the sum of its proper divisors (140457).

421359 is a wasteful number, since it uses less digits than its factorization.

421359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140456.

The product of its digits is 1080, while the sum is 24.

The square root of 421359 is about 649.1217143187. The cubic root of 421359 is about 74.9694097471.

It can be divided in two parts, 421 and 359, that added together give a triangular number (780 = T₃₉).

The spelling of 421359 in words is "four hundred twenty-one thousand, three hundred fifty-nine".