253858471 has 2 divisors, whose sum is σ = 253858472. Its totient is φ = 253858470.

The previous prime is 253858469. The next prime is 253858519. The reversal of 253858471 is 174858352.

253858471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253858471 - 2¹ = 253858469 is a prime.

It is a super-3 number, since 3×253858471³ (a number of 26 digits) contains 333 as substring.

Together with 253858469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253838471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126929235 + 126929236.

It is an arithmetic number, because the mean of its divisors is an integer number (126929236).

Almost surely, 2^253858471 is an apocalyptic number.

253858471 is a deficient number, since it is larger than the sum of its proper divisors (1).

253858471 is an equidigital number, since it uses as much as digits as its factorization.

253858471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 253858471 is about 15932.9366721895. The cubic root of 253858471 is about 633.1849057221.

It can be divided in two parts, 25385 and 8471, that added together give a square (33856 = 184²).

The spelling of 253858471 in words is "two hundred fifty-three million, eight hundred fifty-eight thousand, four hundred seventy-one".