425144233 has 8 divisors (see below), whose sum is σ = 429395400. Its totient is φ = 420912000.

The previous prime is 425144231. The next prime is 425144243. The reversal of 425144233 is 332441524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31002624 + 394141609 = 5568^2 + 19853^2 .

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 425144233 - 2¹ = 425144231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425144231) 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 7 ways as a sum of consecutive naturals, for example, 42733 + ... + 51733.

It is an arithmetic number, because the mean of its divisors is an integer number (53674425).

Almost surely, 2^425144233 is an apocalyptic number.

It is an amenable number.

425144233 is a deficient number, since it is larger than the sum of its proper divisors (4251167).

425144233 is a wasteful number, since it uses less digits than its factorization.

425144233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467.

The product of its digits is 11520, while the sum is 28.

The square root of 425144233 is about 20619.0259954247. The cubic root of 425144233 is about 751.9323403977.

Adding to 425144233 its reverse (332441524), we get a palindrome (757585757).

It can be divided in two parts, 4251 and 44233, that added together give a palindrome (48484).

The spelling of 425144233 in words is "four hundred twenty-five million, one hundred forty-four thousand, two hundred thirty-three".