421364253 has 8 divisors (see below), whose sum is σ = 571341600. Its totient is φ = 276148208.

The previous prime is 421364233. The next prime is 421364269. The reversal of 421364253 is 352463124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421364253 - 2⁶ = 421364189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421364253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421364233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190118 + ... + 1190471.

It is an arithmetic number, because the mean of its divisors is an integer number (71417700).

Almost surely, 2^421364253 is an apocalyptic number.

It is an amenable number.

421364253 is a deficient number, since it is larger than the sum of its proper divisors (149977347).

421364253 is a wasteful number, since it uses less digits than its factorization.

421364253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380651.

The product of its digits is 17280, while the sum is 30.

The square root of 421364253 is about 20527.1589120365. The cubic root of 421364253 is about 749.6972128875.

The spelling of 421364253 in words is "four hundred twenty-one million, three hundred sixty-four thousand, two hundred fifty-three".