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325468681 is a prime number
BaseRepresentation
bin10011011001100…
…100001000001001
3211200102112002121
4103121210020021
51131304444211
652143531241
711031303166
oct2331441011
9750375077
10325468681
1115779a48a
1290bb9b21
1352577425
143132306d
151d890271
hex13664209

325468681 has 2 divisors, whose sum is σ = 325468682. Its totient is φ = 325468680.

The previous prime is 325468669. The next prime is 325468691. The reversal of 325468681 is 186864523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323820025 + 1648656 = 17995^2 + 1284^2 .

It is an emirp because it is prime and its reverse (186864523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-325468681 is a prime.

It is a super-2 number, since 2×3254686812 = 211859724623759522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325468631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162734340 + 162734341.

It is an arithmetic number, because the mean of its divisors is an integer number (162734341).

Almost surely, 2325468681 is an apocalyptic number.

It is an amenable number.

325468681 is a deficient number, since it is larger than the sum of its proper divisors (1).

325468681 is an equidigital number, since it uses as much as digits as its factorization.

325468681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 325468681 is about 18040.7505664260. The cubic root of 325468681 is about 687.8647715394.

The spelling of 325468681 in words is "three hundred twenty-five million, four hundred sixty-eight thousand, six hundred eighty-one".