210553401 has 8 divisors (see below), whose sum is σ = 280807200. Its totient is φ = 140334272.

The previous prime is 210553397. The next prime is 210553429. The reversal of 210553401 is 104355012.

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 210553401 - 2² = 210553397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210553451) 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 7 ways as a sum of consecutive naturals, for example, 13906 + ... + 24788.

It is an arithmetic number, because the mean of its divisors is an integer number (35100900).

Almost surely, 2^210553401 is an apocalyptic number.

It is an amenable number.

210553401 is a deficient number, since it is larger than the sum of its proper divisors (70253799).

210553401 is a wasteful number, since it uses less digits than its factorization.

210553401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17335.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 210553401 is about 14510.4583318378. The cubic root of 210553401 is about 594.9138599023.

The spelling of 210553401 in words is "two hundred ten million, five hundred fifty-three thousand, four hundred one".