253862321 has 2 divisors, whose sum is σ = 253862322. Its totient is φ = 253862320.

The previous prime is 253862311. The next prime is 253862327. The reversal of 253862321 is 123268352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250114225 + 3748096 = 15815^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 253862321 - 2¹⁰ = 253861297 is a prime.

It is not a weakly prime, because it can be changed into another prime (253862327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126931160 + 126931161.

It is an arithmetic number, because the mean of its divisors is an integer number (126931161).

Almost surely, 2^253862321 is an apocalyptic number.

It is an amenable number.

253862321 is a deficient number, since it is larger than the sum of its proper divisors (1).

253862321 is an equidigital number, since it uses as much as digits as its factorization.

253862321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 253862321 is about 15933.0574906388. The cubic root of 253862321 is about 633.1881066521.

The spelling of 253862321 in words is "two hundred fifty-three million, eight hundred sixty-two thousand, three hundred twenty-one".