253004471 has 2 divisors, whose sum is σ = 253004472. Its totient is φ = 253004470.

The previous prime is 253004443. The next prime is 253004503. The reversal of 253004471 is 174400352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253004471 - 2⁶ = 253004407 is a prime.

It is a super-3 number, since 3×253004471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 253004471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126502235 + 126502236.

It is an arithmetic number, because the mean of its divisors is an integer number (126502236).

Almost surely, 2^253004471 is an apocalyptic number.

253004471 is a deficient number, since it is larger than the sum of its proper divisors (1).

253004471 is an equidigital number, since it uses as much as digits as its factorization.

253004471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 253004471 is about 15906.1142646468. The cubic root of 253004471 is about 632.4740799785.

The spelling of 253004471 in words is "two hundred fifty-three million, four thousand, four hundred seventy-one".