15252289 has 16 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 12995136.

The previous prime is 15252271. The next prime is 15252311. The reversal of 15252289 is 98225251.

It is a happy number.

15252289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15252289 - 2⁷ = 15252161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7792 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^15252289 is an apocalyptic number.

It is an amenable number.

15252289 is a deficient number, since it is larger than the sum of its proper divisors (2488511).

15252289 is a wasteful number, since it uses less digits than its factorization.

15252289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its digits is 14400, while the sum is 34.

The square root of 15252289 is about 3905.4179033747. The cubic root of 15252289 is about 247.9961898912.

It can be divided in two parts, 152 and 52289, that added together give a square (52441 = 229²).

The spelling of 15252289 in words is "fifteen million, two hundred fifty-two thousand, two hundred eighty-nine".