15372047 has 2 divisors, whose sum is σ = 15372048. Its totient is φ = 15372046.

The previous prime is 15372031. The next prime is 15372053. The reversal of 15372047 is 74027351.

It is a strong prime.

It is an emirp because it is prime and its reverse (74027351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15372047 - 2⁴ = 15372031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15372017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686023 + 7686024.

It is an arithmetic number, because the mean of its divisors is an integer number (7686024).

Almost surely, 2^15372047 is an apocalyptic number.

15372047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15372047 is an equidigital number, since it uses as much as digits as its factorization.

15372047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 15372047 is about 3920.7202144504. The cubic root of 15372047 is about 248.6435710457.

Adding to 15372047 its reverse (74027351), we get a palindrome (89399398).

The spelling of 15372047 in words is "fifteen million, three hundred seventy-two thousand, forty-seven".