425185595960841 has 27 divisors (see below), whose sum is σ = 642022574622247. Its totient is φ = 271131936519840.

The previous prime is 425185595960813. The next prime is 425185595960857. The reversal of 425185595960841 is 148069595581524.

It is a happy number.

The square root of 425185595960841 is 20620029.

It is a perfect power (a square), and thus also a powerful number.

425185595960841 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 8 + 5 + 5 + 9 + 5 + 9 + 608 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 192653594960841 + 232532001000000 = 13879971^2 + 15249000^2 .

It is not a de Polignac number, because 425185595960841 - 2¹⁵ = 425185595928073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425185595960841.

It is not an unprimeable number, because it can be changed into a prime (425185595964841) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1422632581 + ... + 1422931421.

Almost surely, 2^{425185595960841} is an apocalyptic number.

425185595960841 is the 20620029-th square number.

425185595960841 is the 10310015-th centered octagonal number.

It is an amenable number.

425185595960841 is a deficient number, since it is larger than the sum of its proper divisors (216836978661406).

425185595960841 is an frugal number, since it uses more digits than its factorization.

425185595960841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597734 (or 298867 counting only the distinct ones).

The product of its (nonzero) digits is 622080000, while the sum is 72.

The spelling of 425185595960841 in words is "four hundred twenty-five trillion, one hundred eighty-five billion, five hundred ninety-five million, nine hundred sixty thousand, eight hundred forty-one".