425532905 has 24 divisors (see below), whose sum is σ = 595112832. Its totient is φ = 291252192.

The previous prime is 425532883. The next prime is 425532923. The reversal of 425532905 is 509235524.

It is not a de Polignac number, because 425532905 - 2¹² = 425528809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 166064 + ... + 168606.

It is an arithmetic number, because the mean of its divisors is an integer number (24796368).

Almost surely, 2^425532905 is an apocalyptic number.

It is an amenable number.

425532905 is a deficient number, since it is larger than the sum of its proper divisors (169579927).

425532905 is a wasteful number, since it uses less digits than its factorization.

425532905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 425532905 is about 20628.4489237558. The cubic root of 425532905 is about 752.1614124851.

The spelling of 425532905 in words is "four hundred twenty-five million, five hundred thirty-two thousand, nine hundred five".