1515241 has 8 divisors (see below), whose sum is σ = 1865024. Its totient is φ = 1198800.

The previous prime is 1515229. The next prime is 1515251. The reversal of 1515241 is 1425151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1515241 - 2¹⁹ = 990953 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1515251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (233128).

2^1515241 is an apocalyptic number.

It is an amenable number.

1515241 is a deficient number, since it is larger than the sum of its proper divisors (349783).

1515241 is a wasteful number, since it uses less digits than its factorization.

1515241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671.

The product of its digits is 200, while the sum is 19.

The square root of 1515241 is about 1230.9512581739. The cubic root of 1515241 is about 114.8578205090.

It can be divided in two parts, 151524 and 1, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 1515241 in words is "one million, five hundred fifteen thousand, two hundred forty-one".