15225253 has 2 divisors, whose sum is σ = 15225254. Its totient is φ = 15225252.

The previous prime is 15225239. The next prime is 15225269. The reversal of 15225253 is 35252251.

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., 11607649 + 3617604 = 3407^2 + 1902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15225253 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612626 + 7612627.

It is an arithmetic number, because the mean of its divisors is an integer number (7612627).

Almost surely, 2^15225253 is an apocalyptic number.

It is an amenable number.

15225253 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225253 is an equidigital number, since it uses as much as digits as its factorization.

15225253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 25.

The square root of 15225253 is about 3901.9550228059. The cubic root of 15225253 is about 247.8495716683.

The spelling of 15225253 in words is "fifteen million, two hundred twenty-five thousand, two hundred fifty-three".