15072025 has 12 divisors (see below), whose sum is σ = 19334700. Its totient is φ = 11641280.

The previous prime is 15072019. The next prime is 15072037. The reversal of 15072025 is 52027051.

15072025 = T₁₀₀₅ + T₁₀₀₆ + ... + T₁₀₃₃.

It can be written as a sum of positive squares in 6 ways, for example, as 118336 + 14953689 = 344^2 + 3867^2 .

It is not a de Polignac number, because 15072025 - 2³ = 15072017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15071987 and 15072005.

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, 9670 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (1611225).

Almost surely, 2^15072025 is an apocalyptic number.

It is an amenable number.

15072025 is a deficient number, since it is larger than the sum of its proper divisors (4262675).

15072025 is a wasteful number, since it uses less digits than its factorization.

15072025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20828 (or 20823 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 15072025 is about 3882.2705985029. The cubic root of 15072025 is about 247.0153082679.

Adding to 15072025 its reverse (52027051), we get a palindrome (67099076).

The spelling of 15072025 in words is "fifteen million, seventy-two thousand, twenty-five".