321041226025 has 81 divisors (see below), whose sum is σ = 451818216549. Its totient is φ = 226170584640.

The previous prime is 321041225993. The next prime is 321041226029. The reversal of 321041226025 is 520622140123.

The square root of 321041226025 is 566605.

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

It can be written as a sum of positive squares in 4 ways, for example, as 82748850921 + 238292375104 = 287661^2 + 488152^2 .

It is not a de Polignac number, because 321041226025 - 2⁵ = 321041225993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321041225984 and 321041226002.

It is not an unprimeable number, because it can be changed into a prime (321041226029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 847074286 + ... + 847074664.

Almost surely, 2^321041226025 is an apocalyptic number.

321041226025 is the 566605-th square number.

321041226025 is the 283303-rd centered octagonal number.

It is an amenable number.

321041226025 is a deficient number, since it is larger than the sum of its proper divisors (130776990524).

321041226025 is an equidigital number, since it uses as much as digits as its factorization.

321041226025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 321041226025 its reverse (520622140123), we get a palindrome (841663366148).

The spelling of 321041226025 in words is "three hundred twenty-one billion, forty-one million, two hundred twenty-six thousand, twenty-five".