274381225 has 18 divisors (see below), whose sum is σ = 348786890. Its totient is φ = 214118400.

The previous prime is 274381213. The next prime is 274381229. The reversal of 274381225 is 522183472.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 260273689 + 14107536 = 16133^2 + 3756^2 .

It is not a de Polignac number, because 274381225 - 2⁵ = 274381193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274381229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38761 + ... + 45289.

Almost surely, 2^274381225 is an apocalyptic number.

274381225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

274381225 is a deficient number, since it is larger than the sum of its proper divisors (74405665).

274381225 is an equidigital number, since it uses as much as digits as its factorization.

274381225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621 (or 6575 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 274381225 is about 16564.4566768729. The cubic root of 274381225 is about 649.8076156483.

The spelling of 274381225 in words is "two hundred seventy-four million, three hundred eighty-one thousand, two hundred twenty-five".