420496213 has 4 divisors (see below), whose sum is σ = 421007968. Its totient is φ = 419984460.

The previous prime is 420496171. The next prime is 420496217. The reversal of 420496213 is 312694024.

It is a happy number.

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 420496213 - 2⁹ = 420495701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420496217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254643 + ... + 256288.

It is an arithmetic number, because the mean of its divisors is an integer number (105251992).

Almost surely, 2^420496213 is an apocalyptic number.

It is an amenable number.

420496213 is a deficient number, since it is larger than the sum of its proper divisors (511755).

420496213 is an equidigital number, since it uses as much as digits as its factorization.

420496213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511754.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 420496213 is about 20506.0043158096. The cubic root of 420496213 is about 749.1820493035.

The spelling of 420496213 in words is "four hundred twenty million, four hundred ninety-six thousand, two hundred thirteen".