290251601 has 2 divisors, whose sum is σ = 290251602. Its totient is φ = 290251600.

The previous prime is 290251567. The next prime is 290251613. The reversal of 290251601 is 106152092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284799376 + 5452225 = 16876^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 290251601 - 2⁶ = 290251537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (290251681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145125800 + 145125801.

It is an arithmetic number, because the mean of its divisors is an integer number (145125801).

Almost surely, 2^290251601 is an apocalyptic number.

It is an amenable number.

290251601 is a deficient number, since it is larger than the sum of its proper divisors (1).

290251601 is an equidigital number, since it uses as much as digits as its factorization.

290251601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 290251601 is about 17036.7720240661. The cubic root of 290251601 is about 662.1019617322.

The spelling of 290251601 in words is "two hundred ninety million, two hundred fifty-one thousand, six hundred one".