628441033 has 4 divisors (see below), whose sum is σ = 685572048. Its totient is φ = 571310020.

The previous prime is 628441027. The next prime is 628441063. The reversal of 628441033 is 330144826.

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 628441033 - 2⁹ = 628440521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628440986 and 628441004.

It is not an unprimeable number, because it can be changed into a prime (628441063) 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, 28565491 + ... + 28565512.

It is an arithmetic number, because the mean of its divisors is an integer number (171393012).

Almost surely, 2^628441033 is an apocalyptic number.

It is an amenable number.

628441033 is a deficient number, since it is larger than the sum of its proper divisors (57131015).

628441033 is a wasteful number, since it uses less digits than its factorization.

628441033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57131014.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 628441033 is about 25068.7261942046. The cubic root of 628441033 is about 856.5541914708.

Adding to 628441033 its reverse (330144826), we get a palindrome (958585859).

The spelling of 628441033 in words is "six hundred twenty-eight million, four hundred forty-one thousand, thirty-three".