210513104 has 30 divisors (see below), whose sum is σ = 411454134. Its totient is φ = 104339200.

The previous prime is 210513097. The next prime is 210513109. The reversal of 210513104 is 401315012.

It can be written as a sum of positive squares in 3 ways, for example, as 83905600 + 126607504 = 9160^2 + 11252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210513109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299954 + ... + 300654.

Almost surely, 2^210513104 is an apocalyptic number.

It is an amenable number.

210513104 is a deficient number, since it is larger than the sum of its proper divisors (200941030).

210513104 is an equidigital number, since it uses as much as digits as its factorization.

210513104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 210513104 is about 14509.0697151816. The cubic root of 210513104 is about 594.8759047276.

Adding to 210513104 its reverse (401315012), we get a palindrome (611828116).

The spelling of 210513104 in words is "two hundred ten million, five hundred thirteen thousand, one hundred four".