425315780 has 12 divisors (see below), whose sum is σ = 893163180. Its totient is φ = 170126304.

The previous prime is 425315771. The next prime is 425315797. The reversal of 425315780 is 87513524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 331458436 + 93857344 = 18206^2 + 9688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425315780.

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, 10632875 + ... + 10632914.

It is an arithmetic number, because the mean of its divisors is an integer number (74430265).

Almost surely, 2^425315780 is an apocalyptic number.

It is an amenable number.

425315780 is an abundant number, since it is smaller than the sum of its proper divisors (467847400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425315780 is a wasteful number, since it uses less digits than its factorization.

425315780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265798 (or 21265796 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 425315780 is about 20623.1854959412. The cubic root of 425315780 is about 752.0334624652.

The spelling of 425315780 in words is "four hundred twenty-five million, three hundred fifteen thousand, seven hundred eighty".