628752053 has 4 divisors (see below), whose sum is σ = 638136480. Its totient is φ = 619367628.

The previous prime is 628752049. The next prime is 628752077. The reversal of 628752053 is 350257826.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 628752053 - 2² = 628752049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628751998 and 628752016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628752253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692113 + ... + 4692246.

It is an arithmetic number, because the mean of its divisors is an integer number (159534120).

Almost surely, 2^628752053 is an apocalyptic number.

It is an amenable number.

628752053 is a deficient number, since it is larger than the sum of its proper divisors (9384427).

628752053 is an equidigital number, since it uses as much as digits as its factorization.

628752053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384426.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 628752053 is about 25074.9287735778. The cubic root of 628752053 is about 856.6954731154.

The spelling of 628752053 in words is "six hundred twenty-eight million, seven hundred fifty-two thousand, fifty-three".