210533401 has 16 divisors (see below), whose sum is σ = 235105920. Its totient is φ = 187274880.

The previous prime is 210533399. The next prime is 210533429. The reversal of 210533401 is 104335012.

It is not a de Polignac number, because 210533401 - 2¹ = 210533399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210533201) 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 15 ways as a sum of consecutive naturals, for example, 41860 + ... + 46618.

It is an arithmetic number, because the mean of its divisors is an integer number (14694120).

Almost surely, 2^210533401 is an apocalyptic number.

It is an amenable number.

210533401 is a deficient number, since it is larger than the sum of its proper divisors (24572519).

210533401 is a wasteful number, since it uses less digits than its factorization.

210533401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 210533401 is about 14509.7691573643. The cubic root of 210533401 is about 594.8950227904.

Adding to 210533401 its reverse (104335012), we get a palindrome (314868413).

The spelling of 210533401 in words is "two hundred ten million, five hundred thirty-three thousand, four hundred one".