210450053 has 4 divisors (see below), whose sum is σ = 229581888. Its totient is φ = 191318220.

The previous prime is 210450047. The next prime is 210450077. The reversal of 210450053 is 350054012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210450053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210450083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9565901 + ... + 9565922.

It is an arithmetic number, because the mean of its divisors is an integer number (57395472).

Almost surely, 2^210450053 is an apocalyptic number.

It is an amenable number.

210450053 is a deficient number, since it is larger than the sum of its proper divisors (19131835).

210450053 is a wasteful number, since it uses less digits than its factorization.

210450053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19131834.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 210450053 is about 14506.8967391376. The cubic root of 210450053 is about 594.8165081624.

The spelling of 210450053 in words is "two hundred ten million, four hundred fifty thousand, fifty-three".