210745033 has 2 divisors, whose sum is σ = 210745034. Its totient is φ = 210745032.

The previous prime is 210745009. The next prime is 210745049. The reversal of 210745033 is 330547012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166229449 + 44515584 = 12893^2 + 6672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210745033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210744989 and 210745007.

It is not a weakly prime, because it can be changed into another prime (210745063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105372516 + 105372517.

It is an arithmetic number, because the mean of its divisors is an integer number (105372517).

Almost surely, 2^210745033 is an apocalyptic number.

It is an amenable number.

210745033 is a deficient number, since it is larger than the sum of its proper divisors (1).

210745033 is an equidigital number, since it uses as much as digits as its factorization.

210745033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 210745033 is about 14517.0600673828. The cubic root of 210745033 is about 595.0942891319.

The spelling of 210745033 in words is "two hundred ten million, seven hundred forty-five thousand, thirty-three".