15247361 has 2 divisors, whose sum is σ = 15247362. Its totient is φ = 15247360.

The previous prime is 15247343. The next prime is 15247373. The reversal of 15247361 is 16374251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 309136 = 3865^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 15247361 - 2¹⁰ = 15246337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15267361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7623680 + 7623681.

It is an arithmetic number, because the mean of its divisors is an integer number (7623681).

Almost surely, 2^15247361 is an apocalyptic number.

It is an amenable number.

15247361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15247361 is an equidigital number, since it uses as much as digits as its factorization.

15247361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 15247361 is about 3904.7869340081. The cubic root of 15247361 is about 247.9694779034.

The spelling of 15247361 in words is "fifteen million, two hundred forty-seven thousand, three hundred sixty-one".