628373 has 2 divisors, whose sum is σ = 628374. Its totient is φ = 628372.

The previous prime is 628363. The next prime is 628379. The reversal of 628373 is 373826.

628373 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 can be written as a sum of positive squares in only one way, i.e., 418609 + 209764 = 647^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 628373 - 2⁴ = 628357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314186 + 314187.

It is an arithmetic number, because the mean of its divisors is an integer number (314187).

2⁶²⁸³⁷³ is an apocalyptic number.

It is an amenable number.

628373 is a deficient number, since it is larger than the sum of its proper divisors (1).

628373 is an equidigital number, since it uses as much as digits as its factorization.

628373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 628373 is about 792.6998170808. The cubic root of 628373 is about 85.6523281090.

It can be divided in two parts, 628 and 373, that added together give a palindrome (1001).

The spelling of 628373 in words is "six hundred twenty-eight thousand, three hundred seventy-three".