253346761 has 2 divisors, whose sum is σ = 253346762. Its totient is φ = 253346760.

The previous prime is 253346711. The next prime is 253346773. The reversal of 253346761 is 167643352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253287225 + 59536 = 15915^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 253346761 - 2¹⁵ = 253313993 is a prime.

It is a super-2 number, since 2×253346761² = 128369162618382242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253346761.

It is not a weakly prime, because it can be changed into another prime (253346711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126673380 + 126673381.

It is an arithmetic number, because the mean of its divisors is an integer number (126673381).

Almost surely, 2^253346761 is an apocalyptic number.

It is an amenable number.

253346761 is a deficient number, since it is larger than the sum of its proper divisors (1).

253346761 is an equidigital number, since it uses as much as digits as its factorization.

253346761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 253346761 is about 15916.8703267948. The cubic root of 253346761 is about 632.7591763850.

It can be divided in two parts, 2533 and 46761, that added together give a palindrome (49294).

The spelling of 253346761 in words is "two hundred fifty-three million, three hundred forty-six thousand, seven hundred sixty-one".