253450345 has 8 divisors (see below), whose sum is σ = 304467264. Its totient is φ = 202542384.

The previous prime is 253450321. The next prime is 253450357. The reversal of 253450345 is 543054352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 253450345 - 2⁵ = 253450313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22029 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (38058408).

Almost surely, 2^253450345 is an apocalyptic number.

It is an amenable number.

253450345 is a deficient number, since it is larger than the sum of its proper divisors (51016919).

253450345 is an equidigital number, since it uses as much as digits as its factorization.

253450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54479.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 253450345 is about 15920.1239002716. The cubic root of 253450345 is about 632.8454018091.

The spelling of 253450345 in words is "two hundred fifty-three million, four hundred fifty thousand, three hundred forty-five".