628201403 has 2 divisors, whose sum is σ = 628201404. Its totient is φ = 628201402.

The previous prime is 628201381. The next prime is 628201417. The reversal of 628201403 is 304102826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628201403 - 2⁶ = 628201339 is a prime.

It is not a weakly prime, because it can be changed into another prime (628201423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314100701 + 314100702.

It is an arithmetic number, because the mean of its divisors is an integer number (314100702).

Almost surely, 2^628201403 is an apocalyptic number.

628201403 is a deficient number, since it is larger than the sum of its proper divisors (1).

628201403 is an equidigital number, since it uses as much as digits as its factorization.

628201403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 628201403 is about 25063.9462774719. The cubic root of 628201403 is about 856.4453071235.

The spelling of 628201403 in words is "six hundred twenty-eight million, two hundred one thousand, four hundred three".