15225943 has 2 divisors, whose sum is σ = 15225944. Its totient is φ = 15225942.

The previous prime is 15225941. The next prime is 15225983. The reversal of 15225943 is 34952251.

15225943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34952251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15225943 - 2¹ = 15225941 is a prime.

Together with 15225941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612971 + 7612972.

It is an arithmetic number, because the mean of its divisors is an integer number (7612972).

Almost surely, 2^15225943 is an apocalyptic number.

15225943 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225943 is an equidigital number, since it uses as much as digits as its factorization.

15225943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 15225943 is about 3902.0434390201. The cubic root of 15225943 is about 247.8533157467.

The spelling of 15225943 in words is "fifteen million, two hundred twenty-five thousand, nine hundred forty-three".