425123345 has 4 divisors (see below), whose sum is σ = 510148020. Its totient is φ = 340098672.

The previous prime is 425123339. The next prime is 425123351. The reversal of 425123345 is 543321524.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (425123339) and next prime (425123351).

It can be written as a sum of positive squares in 2 ways, for example, as 221176384 + 203946961 = 14872^2 + 14281^2 .

It is a cyclic number.

It is not a de Polignac number, because 425123345 - 2⁸ = 425123089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42512330 + ... + 42512339.

It is an arithmetic number, because the mean of its divisors is an integer number (127537005).

Almost surely, 2^425123345 is an apocalyptic number.

It is an amenable number.

425123345 is a deficient number, since it is larger than the sum of its proper divisors (85024675).

425123345 is an equidigital number, since it uses as much as digits as its factorization.

425123345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85024674.

The product of its digits is 14400, while the sum is 29.

The square root of 425123345 is about 20618.5194667318. The cubic root of 425123345 is about 751.9200256593.

Adding to 425123345 its reverse (543321524), we get a palindrome (968444869).

The spelling of 425123345 in words is "four hundred twenty-five million, one hundred twenty-three thousand, three hundred forty-five".