628425743 has 4 divisors (see below), whose sum is σ = 685555368. Its totient is φ = 571296120.

The previous prime is 628425719. The next prime is 628425841. The reversal of 628425743 is 347524826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628425743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628425743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28564796 + ... + 28564817.

It is an arithmetic number, because the mean of its divisors is an integer number (171388842).

Almost surely, 2^628425743 is an apocalyptic number.

628425743 is a deficient number, since it is larger than the sum of its proper divisors (57129625).

628425743 is a wasteful number, since it uses less digits than its factorization.

628425743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57129624.

The product of its digits is 322560, while the sum is 41.

The square root of 628425743 is about 25068.4212307038. The cubic root of 628425743 is about 856.5472447465.

The spelling of 628425743 in words is "six hundred twenty-eight million, four hundred twenty-five thousand, seven hundred forty-three".