425732869 has 2 divisors, whose sum is σ = 425732870. Its totient is φ = 425732868.

The previous prime is 425732831. The next prime is 425732893. The reversal of 425732869 is 968237524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284360769 + 141372100 = 16863^2 + 11890^2 .

It is a cyclic number.

It is not a de Polignac number, because 425732869 - 2⁹ = 425732357 is a prime.

It is a super-2 number, since 2×425732869² = 362496951493942322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425730869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212866434 + 212866435.

It is an arithmetic number, because the mean of its divisors is an integer number (212866435).

Almost surely, 2^425732869 is an apocalyptic number.

It is an amenable number.

425732869 is a deficient number, since it is larger than the sum of its proper divisors (1).

425732869 is an equidigital number, since it uses as much as digits as its factorization.

425732869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 425732869 is about 20633.2951561305. The cubic root of 425732869 is about 752.2792111715.

The spelling of 425732869 in words is "four hundred twenty-five million, seven hundred thirty-two thousand, eight hundred sixty-nine".