210993053 has 8 divisors (see below), whose sum is σ = 224322048. Its totient is φ = 198010384.

The previous prime is 210993047. The next prime is 210993059. The reversal of 210993053 is 350399012.

It is an interprime number because it is at equal distance from previous prime (210993047) and next prime (210993059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210993053 - 2⁶ = 210992989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210993059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85325 + ... + 87762.

It is an arithmetic number, because the mean of its divisors is an integer number (28040256).

Almost surely, 2^210993053 is an apocalyptic number.

210993053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

210993053 is a deficient number, since it is larger than the sum of its proper divisors (13328995).

210993053 is a wasteful number, since it uses less digits than its factorization.

210993053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173163.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 210993053 is about 14525.5999187641. The cubic root of 210993053 is about 595.3276476141.

The spelling of 210993053 in words is "two hundred ten million, nine hundred ninety-three thousand, fifty-three".