253415333 has 2 divisors, whose sum is σ = 253415334. Its totient is φ = 253415332.

The previous prime is 253415291. The next prime is 253415341. The reversal of 253415333 is 333514352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140588449 + 112826884 = 11857^2 + 10622^2 .

It is a cyclic number.

It is not a de Polignac number, because 253415333 - 2⁸ = 253415077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253415296 and 253415305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253415033) 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 as a sum of consecutive naturals, namely, 126707666 + 126707667.

It is an arithmetic number, because the mean of its divisors is an integer number (126707667).

Almost surely, 2^253415333 is an apocalyptic number.

It is an amenable number.

253415333 is a deficient number, since it is larger than the sum of its proper divisors (1).

253415333 is an equidigital number, since it uses as much as digits as its factorization.

253415333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 29.

The square root of 253415333 is about 15919.0242477358. The cubic root of 253415333 is about 632.8162597385.

Adding to 253415333 its reverse (333514352), we get a palindrome (586929685).

The spelling of 253415333 in words is "two hundred fifty-three million, four hundred fifteen thousand, three hundred thirty-three".