425505775 has 12 divisors (see below), whose sum is σ = 528006384. Its totient is φ = 340160000.

The previous prime is 425505763. The next prime is 425505793. The reversal of 425505775 is 577505524.

It is not a de Polignac number, because 425505775 - 2⁹ = 425505263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34710 + ... + 45340.

It is an arithmetic number, because the mean of its divisors is an integer number (44000532).

Almost surely, 2^425505775 is an apocalyptic number.

425505775 is a deficient number, since it is larger than the sum of its proper divisors (102500609).

425505775 is a wasteful number, since it uses less digits than its factorization.

425505775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242 (or 12237 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 425505775 is about 20627.7913262666. The cubic root of 425505775 is about 752.1454273736.

The spelling of 425505775 in words is "four hundred twenty-five million, five hundred five thousand, seven hundred seventy-five".