628413263 has 2 divisors, whose sum is σ = 628413264. Its totient is φ = 628413262.

The previous prime is 628413257. The next prime is 628413287. The reversal of 628413263 is 362314826.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628413263 is a prime.

It is a super-2 number, since 2×628413263² = 789806458228614338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628413463) 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, 314206631 + 314206632.

It is an arithmetic number, because the mean of its divisors is an integer number (314206632).

Almost surely, 2^628413263 is an apocalyptic number.

628413263 is a deficient number, since it is larger than the sum of its proper divisors (1).

628413263 is an equidigital number, since it uses as much as digits as its factorization.

628413263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 628413263 is about 25068.1723107210. The cubic root of 628413263 is about 856.5415746094.

The spelling of 628413263 in words is "six hundred twenty-eight million, four hundred thirteen thousand, two hundred sixty-three".