425345043 has 4 divisors (see below), whose sum is σ = 567126728. Its totient is φ = 283563360.

The previous prime is 425345033. The next prime is 425345047. The reversal of 425345043 is 340543524.

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

It is not a de Polignac number, because 425345043 - 2⁴ = 425345027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425345043.

It is not an unprimeable number, because it can be changed into a prime (425345047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70890838 + ... + 70890843.

It is an arithmetic number, because the mean of its divisors is an integer number (141781682).

Almost surely, 2^425345043 is an apocalyptic number.

425345043 is a deficient number, since it is larger than the sum of its proper divisors (141781685).

425345043 is a wasteful number, since it uses less digits than its factorization.

425345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141781684.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 425345043 is about 20623.8949522150. The cubic root of 425345043 is about 752.0507094549.

Adding to 425345043 its reverse (340543524), we get a palindrome (765888567).

The spelling of 425345043 in words is "four hundred twenty-five million, three hundred forty-five thousand, forty-three".