15252647 has 2 divisors, whose sum is σ = 15252648. Its totient is φ = 15252646.

The previous prime is 15252641. The next prime is 15252667. The reversal of 15252647 is 74625251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15252647 - 2⁴ = 15252631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15252641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626323 + 7626324.

It is an arithmetic number, because the mean of its divisors is an integer number (7626324).

Almost surely, 2^15252647 is an apocalyptic number.

15252647 is a deficient number, since it is larger than the sum of its proper divisors (1).

15252647 is an equidigital number, since it uses as much as digits as its factorization.

15252647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 15252647 is about 3905.4637368692. The cubic root of 15252647 is about 247.9981301888.

Adding to 15252647 its reverse (74625251), we get a palindrome (89877898).

The spelling of 15252647 in words is "fifteen million, two hundred fifty-two thousand, six hundred forty-seven".