425147165 has 16 divisors (see below), whose sum is σ = 518712768. Its totient is φ = 334465536.

The previous prime is 425147147. The next prime is 425147167. The reversal of 425147165 is 561741524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425147165 is a prime.

It is a super-2 number, since 2×425147165² = 361500223815074450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425147167) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91949 + ... + 96461.

It is an arithmetic number, because the mean of its divisors is an integer number (32419548).

Almost surely, 2^425147165 is an apocalyptic number.

It is an amenable number.

425147165 is a deficient number, since it is larger than the sum of its proper divisors (93565603).

425147165 is a wasteful number, since it uses less digits than its factorization.

425147165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828.

The product of its digits is 33600, while the sum is 35.

The square root of 425147165 is about 20619.0970946839. The cubic root of 425147165 is about 751.9340689566.

Adding to 425147165 its reverse (561741524), we get a palindrome (986888689).

The spelling of 425147165 in words is "four hundred twenty-five million, one hundred forty-seven thousand, one hundred sixty-five".