290752849 has 2 divisors, whose sum is σ = 290752850. Its totient is φ = 290752848.

The previous prime is 290752817. The next prime is 290752873. The reversal of 290752849 is 948257092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286692624 + 4060225 = 16932^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 290752849 - 2⁵ = 290752817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290752799 and 290752808.

It is not a weakly prime, because it can be changed into another prime (290752879) 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, 145376424 + 145376425.

It is an arithmetic number, because the mean of its divisors is an integer number (145376425).

Almost surely, 2^290752849 is an apocalyptic number.

It is an amenable number.

290752849 is a deficient number, since it is larger than the sum of its proper divisors (1).

290752849 is an equidigital number, since it uses as much as digits as its factorization.

290752849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 290752849 is about 17051.4764463374. The cubic root of 290752849 is about 662.4828800133.

The spelling of 290752849 in words is "two hundred ninety million, seven hundred fifty-two thousand, eight hundred forty-nine".