15032243 has 2 divisors, whose sum is σ = 15032244. Its totient is φ = 15032242.

The previous prime is 15032239. The next prime is 15032293. The reversal of 15032243 is 34223051.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15032243 - 2² = 15032239 is a prime.

It is a super-2 number, since 2×15032243² = 451936659222098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (15032203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7516121 + 7516122.

It is an arithmetic number, because the mean of its divisors is an integer number (7516122).

Almost surely, 2^15032243 is an apocalyptic number.

15032243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15032243 is an equidigital number, since it uses as much as digits as its factorization.

15032243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 15032243 is about 3877.1436651226. The cubic root of 15032243 is about 246.7977878070.

Adding to 15032243 its reverse (34223051), we get a palindrome (49255294).

The spelling of 15032243 in words is "fifteen million, thirty-two thousand, two hundred forty-three".