620245315 has 8 divisors (see below), whose sum is σ = 744514848. Its totient is φ = 496049280.

The previous prime is 620245313. The next prime is 620245321. The reversal of 620245315 is 513542026.

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

It is not a de Polignac number, because 620245315 - 2¹ = 620245313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620245313) 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, 2314 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (93064356).

Almost surely, 2^620245315 is an apocalyptic number.

620245315 is a deficient number, since it is larger than the sum of its proper divisors (124269533).

620245315 is a wasteful number, since it uses less digits than its factorization.

620245315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36749.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 620245315 is about 24904.7247525444. The cubic root of 620245315 is about 852.8143461687.

The spelling of 620245315 in words is "six hundred twenty million, two hundred forty-five thousand, three hundred fifteen".