210033149 has 2 divisors, whose sum is σ = 210033150. Its totient is φ = 210033148.

The previous prime is 210033143. The next prime is 210033151. The reversal of 210033149 is 941330012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154828249 + 55204900 = 12443^2 + 7430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210033149 is a prime.

It is a super-2 number, since 2×210033149² = 88227847357712402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 210033151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210033143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105016574 + 105016575.

It is an arithmetic number, because the mean of its divisors is an integer number (105016575).

Almost surely, 2^210033149 is an apocalyptic number.

It is an amenable number.

210033149 is a deficient number, since it is larger than the sum of its proper divisors (1).

210033149 is an equidigital number, since it uses as much as digits as its factorization.

210033149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 210033149 is about 14492.5204502185. The cubic root of 210033149 is about 594.4234690386.

The spelling of 210033149 in words is "two hundred ten million, thirty-three thousand, one hundred forty-nine".