305264 has 10 divisors (see below), whose sum is σ = 591480. Its totient is φ = 152624.

The previous prime is 305243. The next prime is 305267. The reversal of 305264 is 462503.

305264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×305264² = 186372219392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9524 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (59148).

2³⁰⁵²⁶⁴ is an apocalyptic number.

It is an amenable number.

305264 is a deficient number, since it is larger than the sum of its proper divisors (286216).

305264 is a wasteful number, since it uses less digits than its factorization.

305264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19087 (or 19081 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 305264 is about 552.5070135301. The cubic root of 305264 is about 67.3325708722.

Adding to 305264 its reverse (462503), we get a palindrome (767767).

The spelling of 305264 in words is "three hundred five thousand, two hundred sixty-four".