425432471 has 2 divisors, whose sum is σ = 425432472. Its totient is φ = 425432470.

The previous prime is 425432453. The next prime is 425432473. The reversal of 425432471 is 174234524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425432471 - 2¹⁸ = 425170327 is a prime.

It is a super-3 number, since 3×425432471³ (a number of 27 digits) contains 333 as substring.

Together with 425432473, 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 (425432473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212716235 + 212716236.

It is an arithmetic number, because the mean of its divisors is an integer number (212716236).

Almost surely, 2^425432471 is an apocalyptic number.

425432471 is a deficient number, since it is larger than the sum of its proper divisors (1).

425432471 is an equidigital number, since it uses as much as digits as its factorization.

425432471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 425432471 is about 20626.0144235381. The cubic root of 425432471 is about 752.1022329463.

Adding to 425432471 its reverse (174234524), we get a palindrome (599666995).

The spelling of 425432471 in words is "four hundred twenty-five million, four hundred thirty-two thousand, four hundred seventy-one".