513051612 has 48 divisors (see below), whose sum is σ = 1239555072. Its totient is φ = 164989440.

The previous prime is 513051611. The next prime is 513051613. The reversal of 513051612 is 216150315.

It is an interprime number because it is at equal distance from previous prime (513051611) and next prime (513051613).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513051611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129363 + ... + 133269.

It is an arithmetic number, because the mean of its divisors is an integer number (25824064).

Almost surely, 2^513051612 is an apocalyptic number.

It is an amenable number.

513051612 is an abundant number, since it is smaller than the sum of its proper divisors (726503460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513051612 is a wasteful number, since it uses less digits than its factorization.

513051612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 513051612 is about 22650.6426398899. The cubic root of 513051612 is about 800.5473400216.

The spelling of 513051612 in words is "five hundred thirteen million, fifty-one thousand, six hundred twelve".