253263839 has 8 divisors (see below), whose sum is σ = 258485472. Its totient is φ = 248058720.

The previous prime is 253263827. The next prime is 253263877. The reversal of 253263839 is 938362352.

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

It is not a de Polignac number, because 253263839 - 2¹⁶ = 253198303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253263796 and 253263805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253263889) 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, 29657 + ... + 37229.

It is an arithmetic number, because the mean of its divisors is an integer number (32310684).

Almost surely, 2^253263839 is an apocalyptic number.

253263839 is a deficient number, since it is larger than the sum of its proper divisors (5221633).

253263839 is an equidigital number, since it uses as much as digits as its factorization.

253263839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257.

The product of its digits is 233280, while the sum is 41.

The square root of 253263839 is about 15914.2652673631. The cubic root of 253263839 is about 632.6901334892.

The spelling of 253263839 in words is "two hundred fifty-three million, two hundred sixty-three thousand, eight hundred thirty-nine".