628695059 has 2 divisors, whose sum is σ = 628695060. Its totient is φ = 628695058.

The previous prime is 628695029. The next prime is 628695061. The reversal of 628695059 is 950596826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628695059 - 2²⁴ = 611917843 is a prime.

It is a super-2 number, since 2×628695059² = 790514954422026962, which contains 22 as substring.

Together with 628695061, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 628694998 and 628695016.

It is not a weakly prime, because it can be changed into another prime (628695019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314347529 + 314347530.

It is an arithmetic number, because the mean of its divisors is an integer number (314347530).

Almost surely, 2^628695059 is an apocalyptic number.

628695059 is a deficient number, since it is larger than the sum of its proper divisors (1).

628695059 is an equidigital number, since it uses as much as digits as its factorization.

628695059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 628695059 is about 25073.7922740059. The cubic root of 628695059 is about 856.6695869297.

The spelling of 628695059 in words is "six hundred twenty-eight million, six hundred ninety-five thousand, fifty-nine".