425971805 has 16 divisors (see below), whose sum is σ = 618554880. Its totient is φ = 274912512.

The previous prime is 425971801. The next prime is 425971817. The reversal of 425971805 is 508179524.

It is not a de Polignac number, because 425971805 - 2² = 425971801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425971801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357365 + ... + 358554.

It is an arithmetic number, because the mean of its divisors is an integer number (38659680).

Almost surely, 2^425971805 is an apocalyptic number.

It is an amenable number.

425971805 is a deficient number, since it is larger than the sum of its proper divisors (192583075).

425971805 is a wasteful number, since it uses less digits than its factorization.

425971805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715948.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 425971805 is about 20639.0844031415. The cubic root of 425971805 is about 752.4199198823.

The spelling of 425971805 in words is "four hundred twenty-five million, nine hundred seventy-one thousand, eight hundred five".