210543412 has 6 divisors (see below), whose sum is σ = 368450978. Its totient is φ = 105271704.

The previous prime is 210543397. The next prime is 210543467. The reversal of 210543412 is 214345012.

It can be written as a sum of positive squares in only one way, i.e., 206324496 + 4218916 = 14364^2 + 2054^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26317923 + ... + 26317930.

Almost surely, 2^210543412 is an apocalyptic number.

It is an amenable number.

210543412 is a deficient number, since it is larger than the sum of its proper divisors (157907566).

210543412 is a wasteful number, since it uses less digits than its factorization.

210543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52635857 (or 52635855 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 210543412 is about 14510.1141277386. The cubic root of 210543412 is about 594.9044518559.

Adding to 210543412 its reverse (214345012), we get a palindrome (424888424).

The spelling of 210543412 in words is "two hundred ten million, five hundred forty-three thousand, four hundred twelve".