628125001 has 16 divisors (see below), whose sum is σ = 729596160. Its totient is φ = 529623360.

The previous prime is 628124999. The next prime is 628125031. The reversal of 628125001 is 100521826.

It is not a de Polignac number, because 628125001 - 2¹ = 628124999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628125031) 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, 275695 + ... + 277963.

It is an arithmetic number, because the mean of its divisors is an integer number (45599760).

Almost surely, 2^628125001 is an apocalyptic number.

It is an amenable number.

628125001 is a deficient number, since it is larger than the sum of its proper divisors (101471159).

628125001 is a wasteful number, since it uses less digits than its factorization.

628125001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 628125001 is about 25062.4220896545. The cubic root of 628125001 is about 856.4105853570.

Adding to 628125001 its reverse (100521826), we get a palindrome (728646827).

The spelling of 628125001 in words is "six hundred twenty-eight million, one hundred twenty-five thousand, one".