425264243 has 4 divisors (see below), whose sum is σ = 425974800. Its totient is φ = 424553688.

The previous prime is 425264219. The next prime is 425264261. The reversal of 425264243 is 342462524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425264243 - 2⁶ = 425264179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425267243) 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, 354380 + ... + 355577.

It is an arithmetic number, because the mean of its divisors is an integer number (106493700).

Almost surely, 2^425264243 is an apocalyptic number.

425264243 is a deficient number, since it is larger than the sum of its proper divisors (710557).

425264243 is an equidigital number, since it uses as much as digits as its factorization.

425264243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710556.

The product of its digits is 46080, while the sum is 32.

The square root of 425264243 is about 20621.9359663442. The cubic root of 425264243 is about 752.0030857303.

The spelling of 425264243 in words is "four hundred twenty-five million, two hundred sixty-four thousand, two hundred forty-three".