425021005 has 16 divisors (see below), whose sum is σ = 532836864. Its totient is φ = 325074240.

The previous prime is 425020969. The next prime is 425021021. The reversal of 425021005 is 500120524.

It is not a de Polignac number, because 425021005 - 2⁹ = 425020493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (33302304).

Almost surely, 2^425021005 is an apocalyptic number.

It is an amenable number.

425021005 is a deficient number, since it is larger than the sum of its proper divisors (107815859).

425021005 is a wasteful number, since it uses less digits than its factorization.

425021005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33156.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 425021005 is about 20616.0375678742. The cubic root of 425021005 is about 751.8596842141.

Adding to 425021005 its reverse (500120524), we get a palindrome (925141529).

The spelling of 425021005 in words is "four hundred twenty-five million, twenty-one thousand, five".