494953541 has 2 divisors, whose sum is σ = 494953542. Its totient is φ = 494953540.

The previous prime is 494953531. The next prime is 494953577. The reversal of 494953541 is 145359494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381616225 + 113337316 = 19535^2 + 10646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494953541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 494953492 and 494953501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494953531) 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, 247476770 + 247476771.

It is an arithmetic number, because the mean of its divisors is an integer number (247476771).

Almost surely, 2^494953541 is an apocalyptic number.

It is an amenable number.

494953541 is a deficient number, since it is larger than the sum of its proper divisors (1).

494953541 is an equidigital number, since it uses as much as digits as its factorization.

494953541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 494953541 is about 22247.5513484069. The cubic root of 494953541 is about 791.0212402856.

The spelling of 494953541 in words is "four hundred ninety-four million, nine hundred fifty-three thousand, five hundred forty-one".