325574089281 has 63 divisors (see below), whose sum is σ = 568021953681. Its totient is φ = 185980712904.

The previous prime is 325574089279. The next prime is 325574089283. The reversal of 325574089281 is 182980475523.

The square root of 325574089281 is 570591.

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

325574089281 is a `hidden beast` number, since 3 + 2 + 557 + 4 + 0 + 8 + 9 + 2 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (325574089279) and next prime (325574089283).

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 325574089281 - 2¹ = 325574089279 is a prime.

It is a super-2 number, since 2×325574089281² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325574089283) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 107840190 + ... + 107843208.

It is an arithmetic number, because the mean of its divisors is an integer number (9016221487).

Almost surely, 2^325574089281 is an apocalyptic number.

325574089281 is the 570591-st square number.

325574089281 is the 285296-th centered octagonal number.

It is an amenable number.

325574089281 is a deficient number, since it is larger than the sum of its proper divisors (242447864400).

325574089281 is an frugal number, since it uses more digits than its factorization.

325574089281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 325574089281 in words is "three hundred twenty-five billion, five hundred seventy-four million, eighty-nine thousand, two hundred eighty-one".