628115353 has 4 divisors (see below), whose sum is σ = 638412388. Its totient is φ = 617818320.

The previous prime is 628115351. The next prime is 628115381. The reversal of 628115353 is 353511826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44796249 + 583319104 = 6693^2 + 24152^2 .

It is a cyclic number.

It is not a de Polignac number, because 628115353 - 2¹ = 628115351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628115351) 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, 5148426 + ... + 5148547.

It is an arithmetic number, because the mean of its divisors is an integer number (159603097).

Almost surely, 2^628115353 is an apocalyptic number.

It is an amenable number.

628115353 is a deficient number, since it is larger than the sum of its proper divisors (10297035).

628115353 is a wasteful number, since it uses less digits than its factorization.

628115353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297034.

The product of its digits is 21600, while the sum is 34.

The square root of 628115353 is about 25062.2296095140. The cubic root of 628115353 is about 856.4062005124.

The spelling of 628115353 in words is "six hundred twenty-eight million, one hundred fifteen thousand, three hundred fifty-three".