425055469 has 2 divisors, whose sum is σ = 425055470. Its totient is φ = 425055468.

The previous prime is 425055439. The next prime is 425055541. The reversal of 425055469 is 964550524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398481444 + 26574025 = 19962^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 425055469 - 2²⁵ = 391501037 is a prime.

It is a super-2 number, since 2×425055469² = 361344303453619922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425055409) 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, 212527734 + 212527735.

It is an arithmetic number, because the mean of its divisors is an integer number (212527735).

Almost surely, 2^425055469 is an apocalyptic number.

It is an amenable number.

425055469 is a deficient number, since it is larger than the sum of its proper divisors (1).

425055469 is an equidigital number, since it uses as much as digits as its factorization.

425055469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 425055469 is about 20616.8734050534. The cubic root of 425055469 is about 751.8800058700.

It can be divided in two parts, 425055 and 469, that added together give a palindrome (425524).

The spelling of 425055469 in words is "four hundred twenty-five million, fifty-five thousand, four hundred sixty-nine".