7210549 has 2 divisors, whose sum is σ = 7210550. Its totient is φ = 7210548.

The previous prime is 7210537. The next prime is 7210561. The reversal of 7210549 is 9450127.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7210537) and next prime (7210561).

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 2304324 = 2215^2 + 1518^2 .

It is an emirp because it is prime and its reverse (9450127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7210549 - 2⁷ = 7210421 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7210529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605274 + 3605275.

It is an arithmetic number, because the mean of its divisors is an integer number (3605275).

Almost surely, 2^7210549 is an apocalyptic number.

It is an amenable number.

7210549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7210549 is an equidigital number, since it uses as much as digits as its factorization.

7210549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7210549 is about 2685.2465436157. The cubic root of 7210549 is about 193.1921359715.

It can be divided in two parts, 72 and 10549, that multiplied together give a triangular number (759528 = T₁₂₃₂).

The spelling of 7210549 in words is "seven million, two hundred ten thousand, five hundred forty-nine".