520161415 has 8 divisors (see below), whose sum is σ = 631714608. Its totient is φ = 411115200.

The previous prime is 520161409. The next prime is 520161419. The reversal of 520161415 is 514161025.

It is a happy number.

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

It is not a de Polignac number, because 520161415 - 2⁹ = 520160903 is a prime.

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 520161415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520161419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626286 + ... + 627115.

It is an arithmetic number, because the mean of its divisors is an integer number (78964326).

Almost surely, 2^520161415 is an apocalyptic number.

520161415 is a deficient number, since it is larger than the sum of its proper divisors (111553193).

520161415 is a wasteful number, since it uses less digits than its factorization.

520161415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253489.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 520161415 is about 22807.0474853717. The cubic root of 520161415 is about 804.2283489366.

The spelling of 520161415 in words is "five hundred twenty million, one hundred sixty-one thousand, four hundred fifteen".