628132017 has 16 divisors (see below), whose sum is σ = 878452992. Its totient is φ = 398764800.

The previous prime is 628131989. The next prime is 628132027. The reversal of 628132017 is 710231826.

It is not a de Polignac number, because 628132017 - 2⁶ = 628131953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628132027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54984 + ... + 65417.

It is an arithmetic number, because the mean of its divisors is an integer number (54903312).

Almost surely, 2^628132017 is an apocalyptic number.

It is an amenable number.

628132017 is a deficient number, since it is larger than the sum of its proper divisors (250320975).

628132017 is a wasteful number, since it uses less digits than its factorization.

628132017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120488.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 628132017 is about 25062.5620597735. The cubic root of 628132017 is about 856.4137739762.

The spelling of 628132017 in words is "six hundred twenty-eight million, one hundred thirty-two thousand, seventeen".