305002 has 4 divisors (see below), whose sum is σ = 457506. Its totient is φ = 152500.

The previous prime is 304981. The next prime is 305017. The reversal of 305002 is 200503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200503 = 37 ⋅5419.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 12321 = 541^2 + 111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76249 + ... + 76252.

2³⁰⁵⁰⁰² is an apocalyptic number.

305002 is a deficient number, since it is larger than the sum of its proper divisors (152504).

305002 is a wasteful number, since it uses less digits than its factorization.

305002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152503.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 305002 is about 552.2698615713. The cubic root of 305002 is about 67.3133021049.

Adding to 305002 its reverse (200503), we get a palindrome (505505).

The spelling of 305002 in words is "three hundred five thousand, two".