253438267 has 2 divisors, whose sum is σ = 253438268. Its totient is φ = 253438266.

The previous prime is 253438231. The next prime is 253438277. The reversal of 253438267 is 762834352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253438267 - 2¹⁵ = 253405499 is a prime.

It is not a weakly prime, because it can be changed into another prime (253438277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126719133 + 126719134.

It is an arithmetic number, because the mean of its divisors is an integer number (126719134).

Almost surely, 2^253438267 is an apocalyptic number.

253438267 is a deficient number, since it is larger than the sum of its proper divisors (1).

253438267 is an equidigital number, since it uses as much as digits as its factorization.

253438267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 253438267 is about 15919.7445645337. The cubic root of 253438267 is about 632.8353490468.

The spelling of 253438267 in words is "two hundred fifty-three million, four hundred thirty-eight thousand, two hundred sixty-seven".