15236401 has 2 divisors, whose sum is σ = 15236402. Its totient is φ = 15236400.

The previous prime is 15236371. The next prime is 15236443. The reversal of 15236401 is 10463251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 1166400 = 3751^2 + 1080^2 .

It is an emirp because it is prime and its reverse (10463251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15236401 - 2¹¹ = 15234353 is a prime.

It is not a weakly prime, because it can be changed into another prime (15236801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7618200 + 7618201.

It is an arithmetic number, because the mean of its divisors is an integer number (7618201).

Almost surely, 2^15236401 is an apocalyptic number.

It is an amenable number.

15236401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15236401 is an equidigital number, since it uses as much as digits as its factorization.

15236401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 15236401 is about 3903.3832760824. The cubic root of 15236401 is about 247.9100491074.

Adding to 15236401 its reverse (10463251), we get a palindrome (25699652).

The spelling of 15236401 in words is "fifteen million, two hundred thirty-six thousand, four hundred one".