290925149 has 2 divisors, whose sum is σ = 290925150. Its totient is φ = 290925148.

The previous prime is 290925133. The next prime is 290925157. The reversal of 290925149 is 941529092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177076249 + 113848900 = 13307^2 + 10670^2 .

It is a cyclic number.

It is not a de Polignac number, because 290925149 - 2⁴ = 290925133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290925119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145462574 + 145462575.

It is an arithmetic number, because the mean of its divisors is an integer number (145462575).

Almost surely, 2^290925149 is an apocalyptic number.

It is an amenable number.

290925149 is a deficient number, since it is larger than the sum of its proper divisors (1).

290925149 is an equidigital number, since it uses as much as digits as its factorization.

290925149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 290925149 is about 17056.5280464695. The cubic root of 290925149 is about 662.6137165186.

The spelling of 290925149 in words is "two hundred ninety million, nine hundred twenty-five thousand, one hundred forty-nine".