1516337725 has 12 divisors (see below), whose sum is σ = 2148867424. Its totient is φ = 1039774320.

The previous prime is 1516337653. The next prime is 1516337741. The reversal of 1516337725 is 5277336151.

It is a happy number.

It is not a de Polignac number, because 1516337725 - 2⁹ = 1516337213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4332219 + ... + 4332568.

Almost surely, 2^1516337725 is an apocalyptic number.

It is an amenable number.

1516337725 is a deficient number, since it is larger than the sum of its proper divisors (632529699).

1516337725 is an equidigital number, since it uses as much as digits as its factorization.

1516337725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664804 (or 8664799 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 1516337725 is about 38940.1813683501. The cubic root of 1516337725 is about 1148.8552502687.

The spelling of 1516337725 in words is "one billion, five hundred sixteen million, three hundred thirty-seven thousand, seven hundred twenty-five".