234284257 has 4 divisors (see below), whose sum is σ = 234321300. Its totient is φ = 234247216.

The previous prime is 234284227. The next prime is 234284261. The reversal of 234284257 is 752482432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187169761 + 47114496 = 13681^2 + 6864^2 .

It is a cyclic number.

It is not a de Polignac number, because 234284257 - 2⁷ = 234284129 is a prime.

It is a super-2 number, since 2×234284257² = 109778226156084098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234284207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6382 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (58580325).

Almost surely, 2^234284257 is an apocalyptic number.

It is an amenable number.

234284257 is a deficient number, since it is larger than the sum of its proper divisors (37043).

234284257 is an equidigital number, since it uses as much as digits as its factorization.

234284257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37042.

The product of its digits is 107520, while the sum is 37.

The square root of 234284257 is about 15306.3469515100. The cubic root of 234284257 is about 616.4734380065.

The spelling of 234284257 in words is "two hundred thirty-four million, two hundred eighty-four thousand, two hundred fifty-seven".