290481253 has 8 divisors (see below), whose sum is σ = 315633920. Its totient is φ = 266315040.

The previous prime is 290481241. The next prime is 290481277. The reversal of 290481253 is 352184092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290481253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290481203) 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, 246000 + ... + 247177.

It is an arithmetic number, because the mean of its divisors is an integer number (39454240).

Almost surely, 2^290481253 is an apocalyptic number.

It is an amenable number.

290481253 is a deficient number, since it is larger than the sum of its proper divisors (25152667).

290481253 is a wasteful number, since it uses less digits than its factorization.

290481253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493227.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 290481253 is about 17043.5105832103. The cubic root of 290481253 is about 662.2765378063.

The spelling of 290481253 in words is "two hundred ninety million, four hundred eighty-one thousand, two hundred fifty-three".