620315 has 8 divisors (see below), whose sum is σ = 752640. Its totient is φ = 490752.

The previous prime is 620311. The next prime is 620317. The reversal of 620315 is 513026.

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 620315 - 2² = 620311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620293 and 620302.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620315.

It is not an unprimeable number, because it can be changed into a prime (620311) 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, 155 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2⁶²⁰³¹⁵ is an apocalyptic number.

620315 is a deficient number, since it is larger than the sum of its proper divisors (132325).

620315 is a wasteful number, since it uses less digits than its factorization.

620315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 620315 is about 787.6007872012. The cubic root of 620315 is about 85.2846283071.

The spelling of 620315 in words is "six hundred twenty thousand, three hundred fifteen".