15262241 has 4 divisors (see below), whose sum is σ = 15674772. Its totient is φ = 14849712.

The previous prime is 15262229. The next prime is 15262267. The reversal of 15262241 is 14226251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 1274641 = 3740^2 + 1129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15262241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15262201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206210 + ... + 206283.

It is an arithmetic number, because the mean of its divisors is an integer number (3918693).

Almost surely, 2^15262241 is an apocalyptic number.

It is an amenable number.

15262241 is a deficient number, since it is larger than the sum of its proper divisors (412531).

15262241 is an equidigital number, since it uses as much as digits as its factorization.

15262241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412530.

The product of its digits is 960, while the sum is 23.

The square root of 15262241 is about 3906.6918230134. The cubic root of 15262241 is about 248.0501166926.

Adding to 15262241 its reverse (14226251), we get a palindrome (29488492).

The spelling of 15262241 in words is "fifteen million, two hundred sixty-two thousand, two hundred forty-one".