520152415 has 8 divisors (see below), whose sum is σ = 625151520. Its totient is φ = 415476192.

The previous prime is 520152407. The next prime is 520152427. The reversal of 520152415 is 514251025.

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 520152415 - 2³ = 520152407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520152415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77160 + ... + 83629.

It is an arithmetic number, because the mean of its divisors is an integer number (78143940).

Almost surely, 2^520152415 is an apocalyptic number.

520152415 is a deficient number, since it is larger than the sum of its proper divisors (104999105).

520152415 is a wasteful number, since it uses less digits than its factorization.

520152415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161441.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 520152415 is about 22806.8501770850. The cubic root of 520152415 is about 804.2237105707.

The spelling of 520152415 in words is "five hundred twenty million, one hundred fifty-two thousand, four hundred fifteen".