264274 has 4 divisors (see below), whose sum is σ = 396414. Its totient is φ = 132136.

The previous prime is 264269. The next prime is 264283. The reversal of 264274 is 472462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472462 = 2 ⋅236231.

It can be written as a sum of positive squares in only one way, i.e., 257049 + 7225 = 507^2 + 85^2 .

It is an Ulam number.

It is an unprimeable number.

264274 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66067 + ... + 66070.

2²⁶⁴²⁷⁴ is an apocalyptic number.

264274 is a deficient number, since it is larger than the sum of its proper divisors (132140).

264274 is a wasteful number, since it uses less digits than its factorization.

264274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132139.

The product of its digits is 2688, while the sum is 25.

The square root of 264274 is about 514.0758698869. The cubic root of 264274 is about 64.1728724719.

The spelling of 264274 in words is "two hundred sixty-four thousand, two hundred seventy-four".