15240251 has 12 divisors (see below), whose sum is σ = 17040960. Its totient is φ = 13609440.

The previous prime is 15240229. The next prime is 15240257. The reversal of 15240251 is 15204251.

15240251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15240251 - 2⁶ = 15240187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15240257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3785 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (1420080).

Almost surely, 2^15240251 is an apocalyptic number.

15240251 is a deficient number, since it is larger than the sum of its proper divisors (1800709).

15240251 is a wasteful number, since it uses less digits than its factorization.

15240251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2953 counting only the distinct ones).

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

The square root of 15240251 is about 3903.8764068551. The cubic root of 15240251 is about 247.9309283450.

The spelling of 15240251 in words is "fifteen million, two hundred forty thousand, two hundred fifty-one".