420275319 has 8 divisors (see below), whose sum is σ = 570940272. Its totient is φ = 274896960.

The previous prime is 420275281. The next prime is 420275347. The reversal of 420275319 is 913572024.

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

It is not a de Polignac number, because 420275319 - 2⁹ = 420274807 is a prime.

It is a super-2 number, since 2×420275319² = 353262687521103522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 420275319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420275369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321462 + ... + 1321779.

It is an arithmetic number, because the mean of its divisors is an integer number (71367534).

Almost surely, 2^420275319 is an apocalyptic number.

420275319 is a deficient number, since it is larger than the sum of its proper divisors (150664953).

420275319 is a wasteful number, since it uses less digits than its factorization.

420275319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643297.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 420275319 is about 20500.6175272844. The cubic root of 420275319 is about 749.0508401898.

The spelling of 420275319 in words is "four hundred twenty million, two hundred seventy-five thousand, three hundred nineteen".