628565354 has 4 divisors (see below), whose sum is σ = 942848034. Its totient is φ = 314282676.

The previous prime is 628565351. The next prime is 628565363. The reversal of 628565354 is 453565826.

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

It can be written as a sum of positive squares in only one way, i.e., 414733225 + 213832129 = 20365^2 + 14623^2 .

It is not an unprimeable number, because it can be changed into a prime (628565351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157141337 + ... + 157141340.

Almost surely, 2^628565354 is an apocalyptic number.

628565354 is a deficient number, since it is larger than the sum of its proper divisors (314282680).

628565354 is a wasteful number, since it uses less digits than its factorization.

628565354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314282679.

The product of its digits is 864000, while the sum is 44.

The square root of 628565354 is about 25071.2056750369. The cubic root of 628565354 is about 856.6106701998.

The spelling of 628565354 in words is "six hundred twenty-eight million, five hundred sixty-five thousand, three hundred fifty-four".