253146317 has 2 divisors, whose sum is σ = 253146318. Its totient is φ = 253146316.

The previous prime is 253146281. The next prime is 253146331. The reversal of 253146317 is 713641352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 117050761 = 11666^2 + 10819^2 .

It is a cyclic number.

It is not a de Polignac number, because 253146317 - 2¹⁰ = 253145293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253146347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126573158 + 126573159.

It is an arithmetic number, because the mean of its divisors is an integer number (126573159).

Almost surely, 2^253146317 is an apocalyptic number.

It is an amenable number.

253146317 is a deficient number, since it is larger than the sum of its proper divisors (1).

253146317 is an equidigital number, since it uses as much as digits as its factorization.

253146317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 253146317 is about 15910.5724912713. The cubic root of 253146317 is about 632.5922559634.

Adding to 253146317 its reverse (713641352), we get a palindrome (966787669).

The spelling of 253146317 in words is "two hundred fifty-three million, one hundred forty-six thousand, three hundred seventeen".