1516723325 has 48 divisors (see below), whose sum is σ = 2086741440. Its totient is φ = 1086650880.

The previous prime is 1516723321. The next prime is 1516723343. The reversal of 1516723325 is 5233276151.

It is not a de Polignac number, because 1516723325 - 2² = 1516723321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516723321) 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 47 ways as a sum of consecutive naturals, for example, 1591049 + ... + 1592001.

It is an arithmetic number, because the mean of its divisors is an integer number (43473780).

Almost surely, 2^1516723325 is an apocalyptic number.

It is an amenable number.

1516723325 is a deficient number, since it is larger than the sum of its proper divisors (570018115).

1516723325 is a wasteful number, since it uses less digits than its factorization.

1516723325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1113 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 1516723325 is about 38945.1322375467. The cubic root of 1516723325 is about 1148.9526254623.

Adding to 1516723325 its reverse (5233276151), we get a palindrome (6749999476).

The spelling of 1516723325 in words is "one billion, five hundred sixteen million, seven hundred twenty-three thousand, three hundred twenty-five".