628547 has 2 divisors, whose sum is σ = 628548. Its totient is φ = 628546.

The previous prime is 628499. The next prime is 628561. The reversal of 628547 is 745826.

628547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628547 - 2¹² = 624451 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (628447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314273 + 314274.

It is an arithmetic number, because the mean of its divisors is an integer number (314274).

2⁶²⁸⁵⁴⁷ is an apocalyptic number.

628547 is a deficient number, since it is larger than the sum of its proper divisors (1).

628547 is an equidigital number, since it uses as much as digits as its factorization.

628547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 628547 is about 792.8095609918. The cubic root of 628547 is about 85.6602332491.

The spelling of 628547 in words is "six hundred twenty-eight thousand, five hundred forty-seven".