15382397 has 2 divisors, whose sum is σ = 15382398. Its totient is φ = 15382396.

The previous prime is 15382387. The next prime is 15382439. The reversal of 15382397 is 79328351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 63001 = 3914^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 15382397 - 2¹² = 15378301 is a prime.

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 15382397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15382337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691198 + 7691199.

It is an arithmetic number, because the mean of its divisors is an integer number (7691199).

Almost surely, 2^15382397 is an apocalyptic number.

It is an amenable number.

15382397 is a deficient number, since it is larger than the sum of its proper divisors (1).

15382397 is an equidigital number, since it uses as much as digits as its factorization.

15382397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 15382397 is about 3922.0399029077. The cubic root of 15382397 is about 248.6993624356.

The spelling of 15382397 in words is "fifteen million, three hundred eighty-two thousand, three hundred ninety-seven".