290460473 has 2 divisors, whose sum is σ = 290460474. Its totient is φ = 290460472.

The previous prime is 290460449. The next prime is 290460479. The reversal of 290460473 is 374064092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165199609 + 125260864 = 12853^2 + 11192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290460473 is a prime.

It is not a weakly prime, because it can be changed into another prime (290460479) 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, 145230236 + 145230237.

It is an arithmetic number, because the mean of its divisors is an integer number (145230237).

Almost surely, 2^290460473 is an apocalyptic number.

It is an amenable number.

290460473 is a deficient number, since it is larger than the sum of its proper divisors (1).

290460473 is an equidigital number, since it uses as much as digits as its factorization.

290460473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 290460473 is about 17042.9009561166. The cubic root of 290460473 is about 662.2607451238.

The spelling of 290460473 in words is "two hundred ninety million, four hundred sixty thousand, four hundred seventy-three".