425031305 has 8 divisors (see below), whose sum is σ = 510205632. Its totient is φ = 339913008.

The previous prime is 425031301. The next prime is 425031319. The reversal of 425031305 is 503130524.

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 425031305 - 2² = 425031301 is a prime.

It is a super-2 number, since 2×425031305² = 361303220460006050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425031301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5042 + ... + 29588.

It is an arithmetic number, because the mean of its divisors is an integer number (63775704).

Almost surely, 2^425031305 is an apocalyptic number.

It is an amenable number.

425031305 is a deficient number, since it is larger than the sum of its proper divisors (85174327).

425031305 is a wasteful number, since it uses less digits than its factorization.

425031305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28015.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 425031305 is about 20616.2873718815. The cubic root of 425031305 is about 751.8657577117.

Adding to 425031305 its reverse (503130524), we get a palindrome (928161829).

The spelling of 425031305 in words is "four hundred twenty-five million, thirty-one thousand, three hundred five".