290325487 has 2 divisors, whose sum is σ = 290325488. Its totient is φ = 290325486.

The previous prime is 290325449. The next prime is 290325493. The reversal of 290325487 is 784523092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 290325487 - 2⁷ = 290325359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290325587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145162743 + 145162744.

It is an arithmetic number, because the mean of its divisors is an integer number (145162744).

Almost surely, 2^290325487 is an apocalyptic number.

290325487 is a deficient number, since it is larger than the sum of its proper divisors (1).

290325487 is an equidigital number, since it uses as much as digits as its factorization.

290325487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 290325487 is about 17038.9403132941. The cubic root of 290325487 is about 662.1581381839.

The spelling of 290325487 in words is "two hundred ninety million, three hundred twenty-five thousand, four hundred eighty-seven".