425213851 has 2 divisors, whose sum is σ = 425213852. Its totient is φ = 425213850.

The previous prime is 425213837. The next prime is 425213869. The reversal of 425213851 is 158312524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425213851 - 2¹⁵ = 425181083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425213801) 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 as a sum of consecutive naturals, namely, 212606925 + 212606926.

It is an arithmetic number, because the mean of its divisors is an integer number (212606926).

Almost surely, 2^425213851 is an apocalyptic number.

425213851 is a deficient number, since it is larger than the sum of its proper divisors (1).

425213851 is an equidigital number, since it uses as much as digits as its factorization.

425213851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 425213851 is about 20620.7141243944. The cubic root of 425213851 is about 751.9733815037.

The spelling of 425213851 in words is "four hundred twenty-five million, two hundred thirteen thousand, eight hundred fifty-one".