663513007 has 4 divisors (see below), whose sum is σ = 663654096. Its totient is φ = 663371920.

The previous prime is 663512999. The next prime is 663513013. The reversal of 663513007 is 700315366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700315366 = 2 ⋅350157683.

It is a cyclic number.

It is not a de Polignac number, because 663513007 - 2³ = 663512999 is a prime.

It is a super-3 number, since 3×663513007³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663513007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663511007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63238 + ... + 72979.

It is an arithmetic number, because the mean of its divisors is an integer number (165913524).

Almost surely, 2^663513007 is an apocalyptic number.

663513007 is a deficient number, since it is larger than the sum of its proper divisors (141089).

663513007 is a wasteful number, since it uses less digits than its factorization.

663513007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141088.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 663513007 is about 25758.7462233704. The cubic root of 663513007 is about 872.2007992076.

The spelling of 663513007 in words is "six hundred sixty-three million, five hundred thirteen thousand, seven".