628024403 has 2 divisors, whose sum is σ = 628024404. Its totient is φ = 628024402.

The previous prime is 628024399. The next prime is 628024447. The reversal of 628024403 is 304420826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628024403 - 2² = 628024399 is a prime.

It is not a weakly prime, because it can be changed into another prime (628024003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314012201 + 314012202.

It is an arithmetic number, because the mean of its divisors is an integer number (314012202).

Almost surely, 2^628024403 is an apocalyptic number.

628024403 is a deficient number, since it is larger than the sum of its proper divisors (1).

628024403 is an equidigital number, since it uses as much as digits as its factorization.

628024403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 628024403 is about 25060.4150604095. The cubic root of 628024403 is about 856.3648631459.

The spelling of 628024403 in words is "six hundred twenty-eight million, twenty-four thousand, four hundred three".