513543452 has 12 divisors (see below), whose sum is σ = 898871736. Its totient is φ = 256722960.

The previous prime is 513543431. The next prime is 513543469. The reversal of 513543452 is 254345315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22418 + ... + 39110.

It is an arithmetic number, because the mean of its divisors is an integer number (74905978).

Almost surely, 2^513543452 is an apocalyptic number.

It is an amenable number.

513543452 is a deficient number, since it is larger than the sum of its proper divisors (385328284).

513543452 is a wasteful number, since it uses less digits than its factorization.

513543452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24388 (or 24386 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 513543452 is about 22661.4971261830. The cubic root of 513543452 is about 800.8030748188.

Adding to 513543452 its reverse (254345315), we get a palindrome (767888767).

The spelling of 513543452 in words is "five hundred thirteen million, five hundred forty-three thousand, four hundred fifty-two".