257572454471 has 2 divisors, whose sum is σ = 257572454472. Its totient is φ = 257572454470.

The previous prime is 257572454453. The next prime is 257572454473. The reversal of 257572454471 is 174454275752.

257572454471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257572454471 - 2⁶ = 257572454407 is a prime.

It is a super-3 number, since 3×257572454471³ (a number of 35 digits) contains 333 as substring.

Together with 257572454473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257572454473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128786227235 + 128786227236.

It is an arithmetic number, because the mean of its divisors is an integer number (128786227236).

Almost surely, 2^257572454471 is an apocalyptic number.

257572454471 is a deficient number, since it is larger than the sum of its proper divisors (1).

257572454471 is an equidigital number, since it uses as much as digits as its factorization.

257572454471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976000, while the sum is 53.

The spelling of 257572454471 in words is "two hundred fifty-seven billion, five hundred seventy-two million, four hundred fifty-four thousand, four hundred seventy-one".