253302243 has 32 divisors (see below), whose sum is σ = 374837760. Its totient is φ = 151430400.

The previous prime is 253302241. The next prime is 253302251. The reversal of 253302243 is 342203352.

It is not a de Polignac number, because 253302243 - 2¹ = 253302241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253302241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131455 + ... + 133367.

It is an arithmetic number, because the mean of its divisors is an integer number (11713680).

Almost surely, 2^253302243 is an apocalyptic number.

253302243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253302243 is a deficient number, since it is larger than the sum of its proper divisors (121535517).

253302243 is a wasteful number, since it uses less digits than its factorization.

253302243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 253302243 is about 15915.4718120450. The cubic root of 253302243 is about 632.7221114770.

Adding to 253302243 its reverse (342203352), we get a palindrome (595505595).

The spelling of 253302243 in words is "two hundred fifty-three million, three hundred two thousand, two hundred forty-three".