1516240315 has 8 divisors (see below), whose sum is σ = 1824448320. Its totient is φ = 1209685632.

The previous prime is 1516240309. The next prime is 1516240331. The reversal of 1516240315 is 5130426151.

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 1516240315 - 2³ = 1516240307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411310 + ... + 414979.

It is an arithmetic number, because the mean of its divisors is an integer number (228056040).

Almost surely, 2^1516240315 is an apocalyptic number.

1516240315 is a deficient number, since it is larger than the sum of its proper divisors (308208005).

1516240315 is an equidigital number, since it uses as much as digits as its factorization.

1516240315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826661.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1516240315 is about 38938.9305836717. The cubic root of 1516240315 is about 1148.8306488041.

Adding to 1516240315 its reverse (5130426151), we get a palindrome (6646666466).

The spelling of 1516240315 in words is "one billion, five hundred sixteen million, two hundred forty thousand, three hundred fifteen".