425004133 has 4 divisors (see below), whose sum is σ = 425158668. Its totient is φ = 424849600.

The previous prime is 425004113. The next prime is 425004169. The reversal of 425004133 is 331400524.

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 272679169 + 152324964 = 16513^2 + 12342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425004133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425004113) 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 3 ways as a sum of consecutive naturals, for example, 73066 + ... + 78667.

It is an arithmetic number, because the mean of its divisors is an integer number (106289667).

Almost surely, 2^425004133 is an apocalyptic number.

It is an amenable number.

425004133 is a deficient number, since it is larger than the sum of its proper divisors (154535).

425004133 is a wasteful number, since it uses less digits than its factorization.

425004133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154534.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 425004133 is about 20615.6283678184. The cubic root of 425004133 is about 751.8497352592.

Adding to 425004133 its reverse (331400524), we get a palindrome (756404657).

The spelling of 425004133 in words is "four hundred twenty-five million, four thousand, one hundred thirty-three".