15263225 has 12 divisors (see below), whose sum is σ = 19195200. Its totient is φ = 12037200.

The previous prime is 15263219. The next prime is 15263239. The reversal of 15263225 is 52236251.

It is not a de Polignac number, because 15263225 - 2¹⁰ = 15262201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15263194 and 15263203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2525 + ... + 6074.

It is an arithmetic number, because the mean of its divisors is an integer number (1599600).

Almost surely, 2^15263225 is an apocalyptic number.

It is an amenable number.

15263225 is a deficient number, since it is larger than the sum of its proper divisors (3931975).

15263225 is an equidigital number, since it uses as much as digits as its factorization.

15263225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680 (or 8675 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 15263225 is about 3906.8177587392. The cubic root of 15263225 is about 248.0554474097.

Adding to 15263225 its reverse (52236251), we get a palindrome (67499476).

The spelling of 15263225 in words is "fifteen million, two hundred sixty-three thousand, two hundred twenty-five".