290971 has 2 divisors, whose sum is σ = 290972. Its totient is φ = 290970.

The previous prime is 290963. The next prime is 290987. The reversal of 290971 is 179092.

290971 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290971 - 2³ = 290963 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (290471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145485 + 145486.

It is an arithmetic number, because the mean of its divisors is an integer number (145486).

2²⁹⁰⁹⁷¹ is an apocalyptic number.

290971 is a deficient number, since it is larger than the sum of its proper divisors (1).

290971 is an equidigital number, since it uses as much as digits as its factorization.

290971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 290971 is about 539.4172781808. The cubic root of 290971 is about 66.2648524906.

The spelling of 290971 in words is "two hundred ninety thousand, nine hundred seventy-one".