1520707325 has 48 divisors (see below), whose sum is σ = 2015870976. Its totient is φ = 1136126400.

The previous prime is 1520707301. The next prime is 1520707327. The reversal of 1520707325 is 5237070251.

It is not a de Polignac number, because 1520707325 - 2¹⁰ = 1520706301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1520707291 and 1520707300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520707327) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3023024 + ... + 3023526.

It is an arithmetic number, because the mean of its divisors is an integer number (41997312).

Almost surely, 2^1520707325 is an apocalyptic number.

It is an amenable number.

1520707325 is a deficient number, since it is larger than the sum of its proper divisors (495163651).

1520707325 is a wasteful number, since it uses less digits than its factorization.

1520707325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 1520707325 is about 38996.2475758886. The cubic root of 1520707325 is about 1149.9577363170.

Adding to 1520707325 its reverse (5237070251), we get a palindrome (6757777576).

The spelling of 1520707325 in words is "one billion, five hundred twenty million, seven hundred seven thousand, three hundred twenty-five".