425426065 has 4 divisors (see below), whose sum is σ = 510511284. Its totient is φ = 340340848.

The previous prime is 425426063. The next prime is 425426077. The reversal of 425426065 is 560624524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72437121 + 352988944 = 8511^2 + 18788^2 .

It is a cyclic number.

It is not a de Polignac number, because 425426065 - 2¹ = 425426063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425426065.

It is not an unprimeable number, because it can be changed into a prime (425426063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42542602 + ... + 42542611.

It is an arithmetic number, because the mean of its divisors is an integer number (127627821).

Almost surely, 2^425426065 is an apocalyptic number.

It is an amenable number.

425426065 is a deficient number, since it is larger than the sum of its proper divisors (85085219).

425426065 is an equidigital number, since it uses as much as digits as its factorization.

425426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85085218.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 425426065 is about 20625.8591336216. The cubic root of 425426065 is about 752.0984579711.

The spelling of 425426065 in words is "four hundred twenty-five million, four hundred twenty-six thousand, sixty-five".