425501305 has 16 divisors (see below), whose sum is σ = 518563584. Its totient is φ = 335111040.

The previous prime is 425501303. The next prime is 425501317. The reversal of 425501305 is 503105524.

It is not a de Polignac number, because 425501305 - 2¹ = 425501303 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 425501305.

It is not an unprimeable number, because it can be changed into a prime (425501303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345040 + ... + 346270.

It is an arithmetic number, because the mean of its divisors is an integer number (32410224).

Almost surely, 2^425501305 is an apocalyptic number.

It is an amenable number.

425501305 is a deficient number, since it is larger than the sum of its proper divisors (93062279).

425501305 is a wasteful number, since it uses less digits than its factorization.

425501305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 425501305 is about 20627.6829770093. The cubic root of 425501305 is about 752.1427935654.

Adding to 425501305 its reverse (503105524), we get a palindrome (928606829).

The spelling of 425501305 in words is "four hundred twenty-five million, five hundred one thousand, three hundred five".