305001 has 6 divisors (see below), whose sum is σ = 440570. Its totient is φ = 203328.

The previous prime is 304981. The next prime is 305017. The reversal of 305001 is 100503.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 3600 = 549^2 + 60^2 .

It is not a de Polignac number, because 305001 - 2⁶ = 304937 is a prime.

It is a super-2 number, since 2×305001² = 186051220002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 33889 = 305001 / (3 + 0 + 5 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16936 + ... + 16953.

2³⁰⁵⁰⁰¹ is an apocalyptic number.

It is an amenable number.

305001 is a deficient number, since it is larger than the sum of its proper divisors (135569).

305001 is a wasteful number, since it uses less digits than its factorization.

305001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33895 (or 33892 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 305001 is about 552.2689562161. The cubic root of 305001 is about 67.3132285389.

Adding to 305001 its reverse (100503), we get a palindrome (405504).

The spelling of 305001 in words is "three hundred five thousand, one".