274813 has 16 divisors (see below), whose sum is σ = 354816. Its totient is φ = 206640.

The previous prime is 274811. The next prime is 274817. The reversal of 274813 is 318472.

It is not a de Polignac number, because 274813 - 2¹ = 274811 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2²⁷⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

274813 is a deficient number, since it is larger than the sum of its proper divisors (80003).

274813 is a wasteful number, since it uses less digits than its factorization.

274813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 1344, while the sum is 25.

The square root of 274813 is about 524.2260962600. The cubic root of 274813 is about 65.0148289638.

The spelling of 274813 in words is "two hundred seventy-four thousand, eight hundred thirteen".