290825653 has 2 divisors, whose sum is σ = 290825654. Its totient is φ = 290825652.

The previous prime is 290825621. The next prime is 290825671. The reversal of 290825653 is 356528092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285170769 + 5654884 = 16887^2 + 2378^2 .

It is a cyclic number.

It is not a de Polignac number, because 290825653 - 2⁵ = 290825621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290825603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145412826 + 145412827.

It is an arithmetic number, because the mean of its divisors is an integer number (145412827).

Almost surely, 2^290825653 is an apocalyptic number.

It is an amenable number.

290825653 is a deficient number, since it is larger than the sum of its proper divisors (1).

290825653 is an equidigital number, since it uses as much as digits as its factorization.

290825653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 290825653 is about 17053.6111425117. The cubic root of 290825653 is about 662.5381702465.

It can be divided in two parts, 2908 and 25653, that added together give a 4-th power (28561 = 13⁴).

The spelling of 290825653 in words is "two hundred ninety million, eight hundred twenty-five thousand, six hundred fifty-three".