290253 has 8 divisors (see below), whose sum is σ = 399616. Its totient is φ = 187200.

The previous prime is 290249. The next prime is 290317. The reversal of 290253 is 352092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 290253 - 2² = 290249 is a prime.

It is a Duffinian number.

290253 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290253.

It is not an unprimeable number, because it can be changed into a prime (290233) 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 in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (49952).

2²⁹⁰²⁵³ is an apocalyptic number.

It is an amenable number.

290253 is a deficient number, since it is larger than the sum of its proper divisors (109363).

290253 is a wasteful number, since it uses less digits than its factorization.

290253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 290253 is about 538.7513341051. The cubic root of 290253 is about 66.2103025498.

The spelling of 290253 in words is "two hundred ninety thousand, two hundred fifty-three".