15250241 has 6 divisors (see below), whose sum is σ = 16200390. Its totient is φ = 14352896.

The previous prime is 15250229. The next prime is 15250247. The reversal of 15250241 is 14205251.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 10857025 = 2096^2 + 3295^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15250241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250247) 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 in 5 ways as a sum of consecutive naturals, for example, 26096 + ... + 26673.

It is an arithmetic number, because the mean of its divisors is an integer number (2700065).

Almost surely, 2^15250241 is an apocalyptic number.

It is an amenable number.

15250241 is a deficient number, since it is larger than the sum of its proper divisors (950149).

15250241 is an equidigital number, since it uses as much as digits as its factorization.

15250241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52803 (or 52786 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 15250241 is about 3905.1556947195. The cubic root of 15250241 is about 247.9850895042.

Adding to 15250241 its reverse (14205251), we get a palindrome (29455492).

The spelling of 15250241 in words is "fifteen million, two hundred fifty thousand, two hundred forty-one".