210300749 has 2 divisors, whose sum is σ = 210300750. Its totient is φ = 210300748.

The previous prime is 210300691. The next prime is 210300773. The reversal of 210300749 is 947003012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203975524 + 6325225 = 14282^2 + 2515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210300749 is a prime.

It is a super-2 number, since 2×210300749² = 88452810059922002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210320749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105150374 + 105150375.

It is an arithmetic number, because the mean of its divisors is an integer number (105150375).

Almost surely, 2^210300749 is an apocalyptic number.

It is an amenable number.

210300749 is a deficient number, since it is larger than the sum of its proper divisors (1).

210300749 is an equidigital number, since it uses as much as digits as its factorization.

210300749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 210300749 is about 14501.7498599307. The cubic root of 210300749 is about 594.6758104961.

The spelling of 210300749 in words is "two hundred ten million, three hundred thousand, seven hundred forty-nine".