210545204 has 12 divisors (see below), whose sum is σ = 390128004. Its totient is φ = 99080064.

The previous prime is 210545201. The next prime is 210545233. The reversal of 210545204 is 402545012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82810000 + 127735204 = 9100^2 + 11302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210545204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210545201) 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, 1548059 + ... + 1548194.

It is an arithmetic number, because the mean of its divisors is an integer number (32510667).

Almost surely, 2^210545204 is an apocalyptic number.

It is an amenable number.

210545204 is a deficient number, since it is larger than the sum of its proper divisors (179582800).

210545204 is a wasteful number, since it uses less digits than its factorization.

210545204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096274 (or 3096272 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 210545204 is about 14510.1758776384. The cubic root of 210545204 is about 594.9061396562.

The spelling of 210545204 in words is "two hundred ten million, five hundred forty-five thousand, two hundred four".