490285073 has 2 divisors, whose sum is σ = 490285074. Its totient is φ = 490285072.

The previous prime is 490285031. The next prime is 490285079. The reversal of 490285073 is 370582094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474019984 + 16265089 = 21772^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 490285073 - 2²⁰ = 489236497 is a prime.

It is equal to p_25870673 and since 490285073 and 25870673 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (490285079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245142536 + 245142537.

It is an arithmetic number, because the mean of its divisors is an integer number (245142537).

Almost surely, 2^490285073 is an apocalyptic number.

It is an amenable number.

490285073 is a deficient number, since it is larger than the sum of its proper divisors (1).

490285073 is an equidigital number, since it uses as much as digits as its factorization.

490285073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 490285073 is about 22142.3818276174. The cubic root of 490285073 is about 788.5263737483.

The spelling of 490285073 in words is "four hundred ninety million, two hundred eighty-five thousand, seventy-three".