425918306 has 24 divisors (see below), whose sum is σ = 743552460. Its totient is φ = 182209280.

The previous prime is 425918299. The next prime is 425918329. The reversal of 425918306 is 603819524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416364025 + 9554281 = 20405^2 + 3091^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425918306.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 47651 + ... + 55878.

Almost surely, 2^425918306 is an apocalyptic number.

425918306 is a deficient number, since it is larger than the sum of its proper divisors (317634154).

425918306 is a wasteful number, since it uses less digits than its factorization.

425918306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103570 (or 103559 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 425918306 is about 20637.7883020444. The cubic root of 425918306 is about 752.3884190505.

The spelling of 425918306 in words is "four hundred twenty-five million, nine hundred eighteen thousand, three hundred six".