15225113 has 2 divisors, whose sum is σ = 15225114. Its totient is φ = 15225112.

The previous prime is 15225101. The next prime is 15225157. The reversal of 15225113 is 31152251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 6416089 = 2968^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 15225113 - 2⁸ = 15224857 is a prime.

It is not a weakly prime, because it can be changed into another prime (15225713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612556 + 7612557.

It is an arithmetic number, because the mean of its divisors is an integer number (7612557).

Almost surely, 2^15225113 is an apocalyptic number.

It is an amenable number.

15225113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225113 is an equidigital number, since it uses as much as digits as its factorization.

15225113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 20.

The square root of 15225113 is about 3901.9370830397. The cubic root of 15225113 is about 247.8488119864.

Adding to 15225113 its reverse (31152251), we get a palindrome (46377364).

The spelling of 15225113 in words is "fifteen million, two hundred twenty-five thousand, one hundred thirteen".