1513043325 has 18 divisors (see below), whose sum is σ = 2710029114. Its totient is φ = 806956320.

The previous prime is 1513043269. The next prime is 1513043341. The reversal of 1513043325 is 5233403151.

It can be written as a sum of positive squares in 3 ways, for example, as 6749604 + 1506293721 = 2598^2 + 38811^2 .

It is not a de Polignac number, because 1513043325 - 2⁶ = 1513043261 is a prime.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 3362094 + ... + 3362543.

It is an arithmetic number, because the mean of its divisors is an integer number (150557173).

Almost surely, 2^1513043325 is an apocalyptic number.

1513043325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513043325 is a deficient number, since it is larger than the sum of its proper divisors (1196985789).

1513043325 is a wasteful number, since it uses less digits than its factorization.

1513043325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724653 (or 6724645 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1513043325 is about 38897.8575888184. The cubic root of 1513043325 is about 1148.0226448547.

Adding to 1513043325 its reverse (5233403151), we get a palindrome (6746446476).

The spelling of 1513043325 in words is "one billion, five hundred thirteen million, forty-three thousand, three hundred twenty-five".