425234851 has 2 divisors, whose sum is σ = 425234852. Its totient is φ = 425234850.

The previous prime is 425234837. The next prime is 425234857. The reversal of 425234851 is 158432524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425234851 - 2⁵ = 425234819 is a prime.

It is not a weakly prime, because it can be changed into another prime (425234857) 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 as a sum of consecutive naturals, namely, 212617425 + 212617426.

It is an arithmetic number, because the mean of its divisors is an integer number (212617426).

Almost surely, 2^425234851 is an apocalyptic number.

425234851 is a deficient number, since it is larger than the sum of its proper divisors (1).

425234851 is an equidigital number, since it uses as much as digits as its factorization.

425234851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 425234851 is about 20621.2233148279. The cubic root of 425234851 is about 751.9857605149.

It can be divided in two parts, 42523 and 4851, that added together give a palindrome (47374).

The spelling of 425234851 in words is "four hundred twenty-five million, two hundred thirty-four thousand, eight hundred fifty-one".