245471 has 2 divisors, whose sum is σ = 245472. Its totient is φ = 245470.

The previous prime is 245437. The next prime is 245473. The reversal of 245471 is 174542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245471 - 2⁶ = 245407 is a prime.

It is a super-3 number, since 3×245471³ = 44373310447866333, which contains 333 as substring.

Together with 245473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245471.

It is not a weakly prime, because it can be changed into another prime (245473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122735 + 122736.

It is an arithmetic number, because the mean of its divisors is an integer number (122736).

2²⁴⁵⁴⁷¹ is an apocalyptic number.

245471 is a deficient number, since it is larger than the sum of its proper divisors (1).

245471 is an equidigital number, since it uses as much as digits as its factorization.

245471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 23.

The square root of 245471 is about 495.4503002320. The cubic root of 245471 is about 62.6133197473.

The spelling of 245471 in words is "two hundred forty-five thousand, four hundred seventy-one".