253540267 has 2 divisors, whose sum is σ = 253540268. Its totient is φ = 253540266.

The previous prime is 253540253. The next prime is 253540271. The reversal of 253540267 is 762045352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253540267 - 2¹⁹ = 253015979 is a prime.

It is not a weakly prime, because it can be changed into another prime (253540207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126770133 + 126770134.

It is an arithmetic number, because the mean of its divisors is an integer number (126770134).

Almost surely, 2^253540267 is an apocalyptic number.

253540267 is a deficient number, since it is larger than the sum of its proper divisors (1).

253540267 is an equidigital number, since it uses as much as digits as its factorization.

253540267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 253540267 is about 15922.9478112566. The cubic root of 253540267 is about 632.9202356594.

The spelling of 253540267 in words is "two hundred fifty-three million, five hundred forty thousand, two hundred sixty-seven".