274389453 has 12 divisors (see below), whose sum is σ = 426828220. Its totient is φ = 168854976.

The previous prime is 274389449. The next prime is 274389457. The reversal of 274389453 is 354983472.

It is an interprime number because it is at equal distance from previous prime (274389449) and next prime (274389457).

It can be written as a sum of positive squares in 2 ways, for example, as 30935844 + 243453609 = 5562^2 + 15603^2 .

It is not a de Polignac number, because 274389453 - 2² = 274389449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274389399 and 274389408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274389457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172488 + ... + 1172721.

Almost surely, 2^274389453 is an apocalyptic number.

It is an amenable number.

274389453 is a deficient number, since it is larger than the sum of its proper divisors (152438767).

274389453 is a wasteful number, since it uses less digits than its factorization.

274389453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345228 (or 2345225 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 274389453 is about 16564.7050381225. The cubic root of 274389453 is about 649.8141109465.

The spelling of 274389453 in words is "two hundred seventy-four million, three hundred eighty-nine thousand, four hundred fifty-three".