290039213 has 2 divisors, whose sum is σ = 290039214. Its totient is φ = 290039212.

The previous prime is 290039203. The next prime is 290039231. The reversal of 290039213 is 312930092.

Together with next prime (290039231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263640169 + 26399044 = 16237^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 290039213 - 2¹⁴ = 290022829 is a prime.

It is a super-3 number, since 3×290039213³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290039203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145019606 + 145019607.

It is an arithmetic number, because the mean of its divisors is an integer number (145019607).

Almost surely, 2^290039213 is an apocalyptic number.

It is an amenable number.

290039213 is a deficient number, since it is larger than the sum of its proper divisors (1).

290039213 is an equidigital number, since it uses as much as digits as its factorization.

290039213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 290039213 is about 17030.5376603324. The cubic root of 290039213 is about 661.9404273663.

The spelling of 290039213 in words is "two hundred ninety million, thirty-nine thousand, two hundred thirteen".