620451213 has 8 divisors (see below), whose sum is σ = 870808800. Its totient is φ = 391863888.

The previous prime is 620451211. The next prime is 620451263. The reversal of 620451213 is 312154026.

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

It is not a de Polignac number, because 620451213 - 2¹ = 620451211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620451211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5442498 + ... + 5442611.

It is an arithmetic number, because the mean of its divisors is an integer number (108851100).

Almost surely, 2^620451213 is an apocalyptic number.

It is an amenable number.

620451213 is a deficient number, since it is larger than the sum of its proper divisors (250357587).

620451213 is a wasteful number, since it uses less digits than its factorization.

620451213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885131.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 620451213 is about 24908.8581231657. The cubic root of 620451213 is about 852.9087031044.

The spelling of 620451213 in words is "six hundred twenty million, four hundred fifty-one thousand, two hundred thirteen".