15225293 has 2 divisors, whose sum is σ = 15225294. Its totient is φ = 15225292.

The previous prime is 15225283. The next prime is 15225337. The reversal of 15225293 is 39252251.

15225293 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 can be written as a sum of positive squares in only one way, i.e., 14915044 + 310249 = 3862^2 + 557^2 .

It is an emirp because it is prime and its reverse (39252251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15225293 - 2⁴ = 15225277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612646 + 7612647.

It is an arithmetic number, because the mean of its divisors is an integer number (7612647).

Almost surely, 2^15225293 is an apocalyptic number.

It is an amenable number.

15225293 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225293 is an equidigital number, since it uses as much as digits as its factorization.

15225293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 15225293 is about 3901.9601484382. The cubic root of 15225293 is about 247.8497887194.

The spelling of 15225293 in words is "fifteen million, two hundred twenty-five thousand, two hundred ninety-three".