520531097 has 8 divisors (see below), whose sum is σ = 527294880. Its totient is φ = 513779200.

The previous prime is 520531093. The next prime is 520531111. The reversal of 520531097 is 790135025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520531097 - 2² = 520531093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520531093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114722 + ... + 119172.

It is an arithmetic number, because the mean of its divisors is an integer number (65911860).

Almost surely, 2^520531097 is an apocalyptic number.

It is an amenable number.

520531097 is a deficient number, since it is larger than the sum of its proper divisors (6763783).

520531097 is a wasteful number, since it uses less digits than its factorization.

520531097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 520531097 is about 22815.1506021766. The cubic root of 520531097 is about 804.4188272065.

The spelling of 520531097 in words is "five hundred twenty million, five hundred thirty-one thousand, ninety-seven".