513667 has 12 divisors (see below), whose sum is σ = 652536. Its totient is φ = 399840.

The previous prime is 513649. The next prime is 513673. The reversal of 513667 is 766315.

It is a de Polignac number, because none of the positive numbers 2^k-513667 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (54378).

2⁵¹³⁶⁶⁷ is an apocalyptic number.

513667 is a deficient number, since it is larger than the sum of its proper divisors (138869).

513667 is a wasteful number, since it uses less digits than its factorization.

513667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 971 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 513667 is about 716.7056578540. The cubic root of 513667 is about 80.0867288590.

The spelling of 513667 in words is "five hundred thirteen thousand, six hundred sixty-seven".