15252025 has 6 divisors (see below), whose sum is σ = 18912542. Its totient is φ = 12201600.

The previous prime is 15252023. The next prime is 15252091. The reversal of 15252025 is 52025251.

It can be written as a sum of positive squares in 3 ways, for example, as 4734976 + 10517049 = 2176^2 + 3243^2 .

It is not a de Polignac number, because 15252025 - 2¹ = 15252023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15251987 and 15252005.

It is not an unprimeable number, because it can be changed into a prime (15252023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305016 + ... + 305065.

Almost surely, 2^15252025 is an apocalyptic number.

It is an amenable number.

15252025 is a deficient number, since it is larger than the sum of its proper divisors (3660517).

15252025 is an equidigital number, since it uses as much as digits as its factorization.

15252025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610091 (or 610086 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 15252025 is about 3905.3841040287. The cubic root of 15252025 is about 247.9947590377.

Adding to 15252025 its reverse (52025251), we get a palindrome (67277276).

The spelling of 15252025 in words is "fifteen million, two hundred fifty-two thousand, twenty-five".