628576213 has 4 divisors (see below), whose sum is σ = 633525760. Its totient is φ = 623626668.

The previous prime is 628576211. The next prime is 628576217. The reversal of 628576213 is 312675826.

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 628576213 - 2¹ = 628576211 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 (628576211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474583 + ... + 2474836.

It is an arithmetic number, because the mean of its divisors is an integer number (158381440).

Almost surely, 2^628576213 is an apocalyptic number.

It is an amenable number.

628576213 is a deficient number, since it is larger than the sum of its proper divisors (4949547).

628576213 is a wasteful number, since it uses less digits than its factorization.

628576213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949546.

The product of its digits is 120960, while the sum is 40.

The square root of 628576213 is about 25071.4222372804. The cubic root of 628576213 is about 856.6156030635.

The spelling of 628576213 in words is "six hundred twenty-eight million, five hundred seventy-six thousand, two hundred thirteen".