210133452 has 12 divisors (see below), whose sum is σ = 490311416. Its totient is φ = 70044480.

The previous prime is 210133411. The next prime is 210133457. The reversal of 210133452 is 254331012.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (210133457) 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, 8755549 + ... + 8755572.

Almost surely, 2^210133452 is an apocalyptic number.

It is an amenable number.

210133452 is an abundant number, since it is smaller than the sum of its proper divisors (280177964).

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

210133452 is a wasteful number, since it uses less digits than its factorization.

210133452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511128 (or 17511126 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 210133452 is about 14495.9805463446. The cubic root of 210133452 is about 594.5180778641.

Adding to 210133452 its reverse (254331012), we get a palindrome (464464464).

It can be divided in two parts, 2101 and 33452, that added together give a palindrome (35553).

The spelling of 210133452 in words is "two hundred ten million, one hundred thirty-three thousand, four hundred fifty-two".