210533045 has 16 divisors (see below), whose sum is σ = 255014400. Its totient is φ = 166852224.

The previous prime is 210533033. The next prime is 210533047. The reversal of 210533045 is 540335012.

It is a cyclic number.

It is not a de Polignac number, because 210533045 - 2⁸ = 210532789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210533045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210533047) 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, 454484 + ... + 454946.

It is an arithmetic number, because the mean of its divisors is an integer number (15938400).

Almost surely, 2^210533045 is an apocalyptic number.

It is an amenable number.

210533045 is a deficient number, since it is larger than the sum of its proper divisors (44481355).

210533045 is a wasteful number, since it uses less digits than its factorization.

210533045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 210533045 is about 14509.7568897621. The cubic root of 210533045 is about 594.8946874790.

Adding to 210533045 its reverse (540335012), we get a palindrome (750868057).

The spelling of 210533045 in words is "two hundred ten million, five hundred thirty-three thousand, forty-five".