520963078 has 4 divisors (see below), whose sum is σ = 781444620. Its totient is φ = 260481538.

The previous prime is 520963073. The next prime is 520963117. The reversal of 520963078 is 870369025.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 520963078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520963073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130240768 + ... + 130240771.

It is an arithmetic number, because the mean of its divisors is an integer number (195361155).

Almost surely, 2^520963078 is an apocalyptic number.

520963078 is a deficient number, since it is larger than the sum of its proper divisors (260481542).

520963078 is a wasteful number, since it uses less digits than its factorization.

520963078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260481541.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 520963078 is about 22824.6156156024. The cubic root of 520963078 is about 804.6412907437.

The spelling of 520963078 in words is "five hundred twenty million, nine hundred sixty-three thousand, seventy-eight".