210542532 has 12 divisors (see below), whose sum is σ = 491265936. Its totient is φ = 70180840.

The previous prime is 210542473. The next prime is 210542533. The reversal of 210542532 is 235245012.

210542532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (210542533) 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, 8772594 + ... + 8772617.

It is an arithmetic number, because the mean of its divisors is an integer number (40938828).

Almost surely, 2^210542532 is an apocalyptic number.

It is an amenable number.

210542532 is an abundant number, since it is smaller than the sum of its proper divisors (280723404).

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

210542532 is a wasteful number, since it uses less digits than its factorization.

210542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17545218 (or 17545216 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 210542532 is about 14510.0838040309. The cubic root of 210542532 is about 594.9036230218.

Adding to 210542532 its reverse (235245012), we get a palindrome (445787544).

The spelling of 210542532 in words is "two hundred ten million, five hundred forty-two thousand, five hundred thirty-two".