513665022 has 24 divisors (see below), whose sum is σ = 1112436504. Its totient is φ = 158050464.

The previous prime is 513664999. The next prime is 513665027. The reversal of 513665022 is 220566315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513665027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252273 + ... + 254300.

It is an arithmetic number, because the mean of its divisors is an integer number (46351521).

Almost surely, 2^513665022 is an apocalyptic number.

513665022 is an abundant number, since it is smaller than the sum of its proper divisors (598771482).

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

513665022 is a wasteful number, since it uses less digits than its factorization.

513665022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506604 (or 506591 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 513665022 is about 22664.1792703817. The cubic root of 513665022 is about 800.8662606105.

The spelling of 513665022 in words is "five hundred thirteen million, six hundred sixty-five thousand, twenty-two".