513545325 has 24 divisors (see below), whose sum is σ = 856864800. Its totient is φ = 271373760.

The previous prime is 513545321. The next prime is 513545339. The reversal of 513545325 is 523545315.

It is a happy number.

It is not a de Polignac number, because 513545325 - 2² = 513545321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513545321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23235 + ... + 39584.

It is an arithmetic number, because the mean of its divisors is an integer number (35702700).

Almost surely, 2^513545325 is an apocalyptic number.

It is an amenable number.

513545325 is a deficient number, since it is larger than the sum of its proper divisors (343319475).

513545325 is a wasteful number, since it uses less digits than its factorization.

513545325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62941 (or 62936 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 513545325 is about 22661.5384517468. The cubic root of 513545325 is about 800.8040483828.

The spelling of 513545325 in words is "five hundred thirteen million, five hundred forty-five thousand, three hundred twenty-five".