326781041 has 2 divisors, whose sum is σ = 326781042. Its totient is φ = 326781040.

The previous prime is 326781017. The next prime is 326781047. The reversal of 326781041 is 140187623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323280400 + 3500641 = 17980^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 326781041 - 2¹⁸ = 326518897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326780989 and 326781007.

It is not a weakly prime, because it can be changed into another prime (326781047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163390520 + 163390521.

It is an arithmetic number, because the mean of its divisors is an integer number (163390521).

Almost surely, 2^326781041 is an apocalyptic number.

It is an amenable number.

326781041 is a deficient number, since it is larger than the sum of its proper divisors (1).

326781041 is an equidigital number, since it uses as much as digits as its factorization.

326781041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 326781041 is about 18077.0860760245. The cubic root of 326781041 is about 688.7880714306.

The spelling of 326781041 in words is "three hundred twenty-six million, seven hundred eighty-one thousand, forty-one".