253162263 has 4 divisors (see below), whose sum is σ = 337549688. Its totient is φ = 168774840.

The previous prime is 253162253. The next prime is 253162277. The reversal of 253162263 is 362261352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 253162263 - 2⁹ = 253161751 is a prime.

It is a super-2 number, since 2×253162263² = 128182262814562338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253162263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253162243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42193708 + ... + 42193713.

It is an arithmetic number, because the mean of its divisors is an integer number (84387422).

Almost surely, 2^253162263 is an apocalyptic number.

253162263 is a deficient number, since it is larger than the sum of its proper divisors (84387425).

253162263 is an equidigital number, since it uses as much as digits as its factorization.

253162263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84387424.

The product of its digits is 12960, while the sum is 30.

The square root of 253162263 is about 15911.0735967124. The cubic root of 253162263 is about 632.6055382744.

The spelling of 253162263 in words is "two hundred fifty-three million, one hundred sixty-two thousand, two hundred sixty-three".