253343117 has 2 divisors, whose sum is σ = 253343118. Its totient is φ = 253343116.

The previous prime is 253343099. The next prime is 253343161. The reversal of 253343117 is 711343352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252364996 + 978121 = 15886^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 253343117 - 2¹⁰ = 253342093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253343117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253343617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126671558 + 126671559.

It is an arithmetic number, because the mean of its divisors is an integer number (126671559).

Almost surely, 2^253343117 is an apocalyptic number.

It is an amenable number.

253343117 is a deficient number, since it is larger than the sum of its proper divisors (1).

253343117 is an equidigital number, since it uses as much as digits as its factorization.

253343117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 253343117 is about 15916.7558566437. The cubic root of 253343117 is about 632.7561426175.

Adding to 253343117 its reverse (711343352), we get a palindrome (964686469).

The spelling of 253343117 in words is "two hundred fifty-three million, three hundred forty-three thousand, one hundred seventeen".