210565052 has 6 divisors (see below), whose sum is σ = 368488848. Its totient is φ = 105282524.

The previous prime is 210564997. The next prime is 210565057. The reversal of 210565052 is 250565012.

It is a super-2 number, since 2×210565052² = 88675282247525408, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210565057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320628 + ... + 26320635.

It is an arithmetic number, because the mean of its divisors is an integer number (61414808).

Almost surely, 2^210565052 is an apocalyptic number.

It is an amenable number.

210565052 is a deficient number, since it is larger than the sum of its proper divisors (157923796).

210565052 is a wasteful number, since it uses less digits than its factorization.

210565052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52641267 (or 52641265 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 210565052 is about 14510.8597953395. The cubic root of 210565052 is about 594.9248329120.

The spelling of 210565052 in words is "two hundred ten million, five hundred sixty-five thousand, fifty-two".