628051301 has 2 divisors, whose sum is σ = 628051302. Its totient is φ = 628051300.

The previous prime is 628051261. The next prime is 628051309. The reversal of 628051301 is 103150826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586899076 + 41152225 = 24226^2 + 6415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628051301 is a prime.

It is equal to p_32711174 and since 628051301 and 32711174 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628051309) 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 as a sum of consecutive naturals, namely, 314025650 + 314025651.

It is an arithmetic number, because the mean of its divisors is an integer number (314025651).

Almost surely, 2^628051301 is an apocalyptic number.

It is an amenable number.

628051301 is a deficient number, since it is larger than the sum of its proper divisors (1).

628051301 is an equidigital number, since it uses as much as digits as its factorization.

628051301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 628051301 is about 25060.9517177620. The cubic root of 628051301 is about 856.3770888774.

The spelling of 628051301 in words is "six hundred twenty-eight million, fifty-one thousand, three hundred one".