253422345 has 32 divisors (see below), whose sum is σ = 444242304. Its totient is φ = 122342400.

The previous prime is 253422313. The next prime is 253422371. The reversal of 253422345 is 543224352.

It is not a de Polignac number, because 253422345 - 2⁵ = 253422313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36579 + ... + 42951.

It is an arithmetic number, because the mean of its divisors is an integer number (13882572).

Almost surely, 2^253422345 is an apocalyptic number.

It is an amenable number.

253422345 is a deficient number, since it is larger than the sum of its proper divisors (190819959).

253422345 is a wasteful number, since it uses less digits than its factorization.

253422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633.

The product of its digits is 28800, while the sum is 30.

The square root of 253422345 is about 15919.2444858417. The cubic root of 253422345 is about 632.8220963581.

Adding to 253422345 its reverse (543224352), we get a palindrome (796646697).

The spelling of 253422345 in words is "two hundred fifty-three million, four hundred twenty-two thousand, three hundred forty-five".