490539541 has 2 divisors, whose sum is σ = 490539542. Its totient is φ = 490539540.

The previous prime is 490539529. The next prime is 490539583. The reversal of 490539541 is 145935094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311381316 + 179158225 = 17646^2 + 13385^2 .

It is a cyclic number.

It is not a de Polignac number, because 490539541 - 2¹⁵ = 490506773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490539494 and 490539503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490539521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245269770 + 245269771.

It is an arithmetic number, because the mean of its divisors is an integer number (245269771).

Almost surely, 2^490539541 is an apocalyptic number.

It is an amenable number.

490539541 is a deficient number, since it is larger than the sum of its proper divisors (1).

490539541 is an equidigital number, since it uses as much as digits as its factorization.

490539541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 490539541 is about 22148.1272571746. The cubic root of 490539541 is about 788.6627706023.

The spelling of 490539541 in words is "four hundred ninety million, five hundred thirty-nine thousand, five hundred forty-one".