210450500 has 48 divisors (see below), whose sum is σ = 494994864. Its totient is φ = 77702400.

The previous prime is 210450491. The next prime is 210450509. The reversal of 210450500 is 5054012.

It is an interprime number because it is at equal distance from previous prime (210450491) and next prime (210450509).

It can be written as a sum of positive squares in 8 ways, for example, as 92467456 + 117983044 = 9616^2 + 10862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210450509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9689 + ... + 22688.

It is an arithmetic number, because the mean of its divisors is an integer number (10312393).

Almost surely, 2^210450500 is an apocalyptic number.

210450500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210450500 is an abundant number, since it is smaller than the sum of its proper divisors (284544364).

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

210450500 is a wasteful number, since it uses less digits than its factorization.

210450500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32409 (or 32397 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 210450500 is about 14506.9121455946. The cubic root of 210450500 is about 594.8169292960.

The spelling of 210450500 in words is "two hundred ten million, four hundred fifty thousand, five hundred".