520949927 has 16 divisors (see below), whose sum is σ = 539979264. Its totient is φ = 502320000.

The previous prime is 520949917. The next prime is 520949929. The reversal of 520949927 is 729949025.

It is a cyclic number.

It is not a de Polignac number, because 520949927 - 2¹⁰ = 520948903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520949929) 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, 1298927 + ... + 1299327.

It is an arithmetic number, because the mean of its divisors is an integer number (33748704).

Almost surely, 2^520949927 is an apocalyptic number.

520949927 is a deficient number, since it is larger than the sum of its proper divisors (19029337).

520949927 is a wasteful number, since it uses less digits than its factorization.

520949927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 520949927 is about 22824.3275256907. The cubic root of 520949927 is about 804.6345199973.

The spelling of 520949927 in words is "five hundred twenty million, nine hundred forty-nine thousand, nine hundred twenty-seven".