425403305 has 8 divisors (see below), whose sum is σ = 510649800. Its totient is φ = 340212096.

The previous prime is 425403299. The next prime is 425403317. The reversal of 425403305 is 503304524.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 415996816 = 3067^2 + 20396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425403305 - 2⁶ = 425403241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591 + ... + 29699.

It is an arithmetic number, because the mean of its divisors is an integer number (63831225).

Almost surely, 2^425403305 is an apocalyptic number.

It is an amenable number.

425403305 is a deficient number, since it is larger than the sum of its proper divisors (85246495).

425403305 is a wasteful number, since it uses less digits than its factorization.

425403305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27643.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 425403305 is about 20625.3073916487. The cubic root of 425403305 is about 752.0850454829.

Adding to 425403305 its reverse (503304524), we get a palindrome (928707829).

The spelling of 425403305 in words is "four hundred twenty-five million, four hundred three thousand, three hundred five".