253141321 has 2 divisors, whose sum is σ = 253141322. Its totient is φ = 253141320.

The previous prime is 253141241. The next prime is 253141331. The reversal of 253141321 is 123141352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161671225 + 91470096 = 12715^2 + 9564^2 .

It is a cyclic number.

It is not a de Polignac number, because 253141321 - 2⁷ = 253141193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253141292 and 253141301.

It is not a weakly prime, because it can be changed into another prime (253141331) 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, 126570660 + 126570661.

It is an arithmetic number, because the mean of its divisors is an integer number (126570661).

Almost surely, 2^253141321 is an apocalyptic number.

It is an amenable number.

253141321 is a deficient number, since it is larger than the sum of its proper divisors (1).

253141321 is an equidigital number, since it uses as much as digits as its factorization.

253141321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 253141321 is about 15910.4154879752. The cubic root of 253141321 is about 632.5880944022.

Adding to 253141321 its reverse (123141352), we get a palindrome (376282673).

The spelling of 253141321 in words is "two hundred fifty-three million, one hundred forty-one thousand, three hundred twenty-one".