520255495 has 8 divisors (see below), whose sum is σ = 638825616. Its totient is φ = 406525056.

The previous prime is 520255493. The next prime is 520255499. The reversal of 520255495 is 594552025.

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 520255495 - 2¹ = 520255493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520255493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209682 + ... + 1210111.

It is an arithmetic number, because the mean of its divisors is an integer number (79853202).

Almost surely, 2^520255495 is an apocalyptic number.

520255495 is a deficient number, since it is larger than the sum of its proper divisors (118570121).

520255495 is a wasteful number, since it uses less digits than its factorization.

520255495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419841.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 520255495 is about 22809.1099124889. The cubic root of 520255495 is about 804.2768321188.

The spelling of 520255495 in words is "five hundred twenty million, two hundred fifty-five thousand, four hundred ninety-five".