420562433 has 4 divisors (see below), whose sum is σ = 420996528. Its totient is φ = 420128340.

The previous prime is 420562423. The next prime is 420562447. The reversal of 420562433 is 334265024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420562433 - 2¹² = 420558337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420562396 and 420562405.

It is not an unprimeable number, because it can be changed into a prime (420562423) 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, 215591 + ... + 217532.

It is an arithmetic number, because the mean of its divisors is an integer number (105249132).

Almost surely, 2^420562433 is an apocalyptic number.

It is an amenable number.

420562433 is a deficient number, since it is larger than the sum of its proper divisors (434095).

420562433 is an equidigital number, since it uses as much as digits as its factorization.

420562433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434094.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 420562433 is about 20507.6189012767. The cubic root of 420562433 is about 749.2213744546.

The spelling of 420562433 in words is "four hundred twenty million, five hundred sixty-two thousand, four hundred thirty-three".