290508253 has 8 divisors (see below), whose sum is σ = 332346560. Its totient is φ = 248754240.

The previous prime is 290508221. The next prime is 290508277. The reversal of 290508253 is 352805092.

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

It is not a de Polignac number, because 290508253 - 2⁵ = 290508221 is a prime.

It is a super-2 number, since 2×290508253² = 168790090122224018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290508353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13503 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (41543320).

Almost surely, 2^290508253 is an apocalyptic number.

It is an amenable number.

290508253 is a deficient number, since it is larger than the sum of its proper divisors (41838307).

290508253 is a wasteful number, since it uses less digits than its factorization.

290508253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42147.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 290508253 is about 17044.3026551396. The cubic root of 290508253 is about 662.2970565286.

The spelling of 290508253 in words is "two hundred ninety million, five hundred eight thousand, two hundred fifty-three".