513144412 has 24 divisors (see below), whose sum is σ = 985066992. Its totient is φ = 231955200.

The previous prime is 513144409. The next prime is 513144461. The reversal of 513144412 is 214441315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24253 + ... + 40180.

It is an arithmetic number, because the mean of its divisors is an integer number (41044458).

Almost surely, 2^513144412 is an apocalyptic number.

It is an amenable number.

513144412 is a deficient number, since it is larger than the sum of its proper divisors (471922580).

513144412 is a wasteful number, since it uses less digits than its factorization.

513144412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64629 (or 64627 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 513144412 is about 22652.6910542655. The cubic root of 513144412 is about 800.5956043759.

Adding to 513144412 its reverse (214441315), we get a palindrome (727585727).

The spelling of 513144412 in words is "five hundred thirteen million, one hundred forty-four thousand, four hundred twelve".