213041052 has 72 divisors (see below), whose sum is σ = 635328512. Its totient is φ = 58903200.

The previous prime is 213041051. The next prime is 213041057. The reversal of 213041052 is 250140312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213041051) 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 in 23 ways as a sum of consecutive naturals, for example, 5824 + ... + 21447.

Almost surely, 2^213041052 is an apocalyptic number.

It is an amenable number.

213041052 is an abundant number, since it is smaller than the sum of its proper divisors (422287460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213041052 is a wasteful number, since it uses less digits than its factorization.

213041052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27319 (or 27314 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 213041052 is about 14595.9258699132. The cubic root of 213041052 is about 597.2476267084.

Adding to 213041052 its reverse (250140312), we get a palindrome (463181364).

The spelling of 213041052 in words is "two hundred thirteen million, forty-one thousand, fifty-two".