10147549 has 2 divisors, whose sum is σ = 10147550. Its totient is φ = 10147548.

The previous prime is 10147547. The next prime is 10147561. The reversal of 10147549 is 94574101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 381924 = 3125^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 10147549 - 2¹ = 10147547 is a prime.

Together with 10147547, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10147549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10147547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073774 + 5073775.

It is an arithmetic number, because the mean of its divisors is an integer number (5073775).

Almost surely, 2^10147549 is an apocalyptic number.

It is an amenable number.

10147549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10147549 is an equidigital number, since it uses as much as digits as its factorization.

10147549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10147549 is about 3185.5217782963. The cubic root of 10147549 is about 216.4979154132.

The spelling of 10147549 in words is "ten million, one hundred forty-seven thousand, five hundred forty-nine".