290374913 has 2 divisors, whose sum is σ = 290374914. Its totient is φ = 290374912.

The previous prime is 290374879. The next prime is 290374921. The reversal of 290374913 is 319473092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224310529 + 66064384 = 14977^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 290374913 - 2¹⁶ = 290309377 is a prime.

It is not a weakly prime, because it can be changed into another prime (290374933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145187456 + 145187457.

It is an arithmetic number, because the mean of its divisors is an integer number (145187457).

Almost surely, 2^290374913 is an apocalyptic number.

It is an amenable number.

290374913 is a deficient number, since it is larger than the sum of its proper divisors (1).

290374913 is an equidigital number, since it uses as much as digits as its factorization.

290374913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 290374913 is about 17040.3906351938. The cubic root of 290374913 is about 662.1957120708.

The spelling of 290374913 in words is "two hundred ninety million, three hundred seventy-four thousand, nine hundred thirteen".