425143361 has 8 divisors (see below), whose sum is σ = 451493640. Its totient is φ = 398942208.

The previous prime is 425143349. The next prime is 425143399. The reversal of 425143361 is 163341524.

It can be written as a sum of positive squares in 4 ways, for example, as 201072400 + 224070961 = 14180^2 + 14969^2 .

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 425143361 - 2¹⁰ = 425142337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425143561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31376 + ... + 42833.

It is an arithmetic number, because the mean of its divisors is an integer number (56436705).

Almost surely, 2^425143361 is an apocalyptic number.

It is an amenable number.

425143361 is a deficient number, since it is larger than the sum of its proper divisors (26350279).

425143361 is a wasteful number, since it uses less digits than its factorization.

425143361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74563.

The product of its digits is 8640, while the sum is 29.

The square root of 425143361 is about 20619.0048498952. The cubic root of 425143361 is about 751.9318263090.

Adding to 425143361 its reverse (163341524), we get a palindrome (588484885).

The spelling of 425143361 in words is "four hundred twenty-five million, one hundred forty-three thousand, three hundred sixty-one".