425031527665 has 8 divisors (see below), whose sum is σ = 512626858920. Its totient is φ = 338299204992.

The previous prime is 425031527663. The next prime is 425031527681. The reversal of 425031527665 is 566725130524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26154652176 + 398876875489 = 161724^2 + 631567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425031527665 - 2¹ = 425031527663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425031527663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215751060 + ... + 215753029.

It is an arithmetic number, because the mean of its divisors is an integer number (64078357365).

Almost surely, 2^425031527665 is an apocalyptic number.

It is an amenable number.

425031527665 is a deficient number, since it is larger than the sum of its proper divisors (87595331255).

425031527665 is a wasteful number, since it uses less digits than its factorization.

425031527665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431504291.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 425031527665 in words is "four hundred twenty-five billion, thirty-one million, five hundred twenty-seven thousand, six hundred sixty-five".