425603447 has 2 divisors, whose sum is σ = 425603448. Its totient is φ = 425603446.

The previous prime is 425603393. The next prime is 425603459. The reversal of 425603447 is 744306524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425603447 - 2⁶ = 425603383 is a prime.

It is a super-2 number, since 2×425603447² = 362276588196563618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425603047) 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, 212801723 + 212801724.

It is an arithmetic number, because the mean of its divisors is an integer number (212801724).

Almost surely, 2^425603447 is an apocalyptic number.

425603447 is a deficient number, since it is larger than the sum of its proper divisors (1).

425603447 is an equidigital number, since it uses as much as digits as its factorization.

425603447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 425603447 is about 20630.1586760742. The cubic root of 425603447 is about 752.2029729521.

The spelling of 425603447 in words is "four hundred twenty-five million, six hundred three thousand, four hundred forty-seven".