1516748241 has 4 divisors (see below), whose sum is σ = 2022330992. Its totient is φ = 1011165492.

The previous prime is 1516748183. The next prime is 1516748249. The reversal of 1516748241 is 1428476151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1428476151 = 3 ⋅476158717.

It is not a de Polignac number, because 1516748241 - 2¹⁰ = 1516747217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1516748241.

It is not an unprimeable number, because it can be changed into a prime (1516748249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252791371 + ... + 252791376.

It is an arithmetic number, because the mean of its divisors is an integer number (505582748).

Almost surely, 2^1516748241 is an apocalyptic number.

It is an amenable number.

1516748241 is a deficient number, since it is larger than the sum of its proper divisors (505582751).

1516748241 is an equidigital number, since it uses as much as digits as its factorization.

1516748241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505582750.

The product of its digits is 53760, while the sum is 39.

The square root of 1516748241 is about 38945.4521221670. The cubic root of 1516748241 is about 1148.9589169079.

The spelling of 1516748241 in words is "one billion, five hundred sixteen million, seven hundred forty-eight thousand, two hundred forty-one".