253330739 has 8 divisors (see below), whose sum is σ = 256316400. Its totient is φ = 250356736.

The previous prime is 253330733. The next prime is 253330751. The reversal of 253330739 is 937033352.

253330739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253330739 - 2²⁴ = 236553523 is a prime.

It is a super-2 number, since 2×253330739² = 128352926644572242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253330699 and 253330708.

It is not an unprimeable number, because it can be changed into a prime (253330733) 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, 45407 + ... + 50679.

It is an arithmetic number, because the mean of its divisors is an integer number (32039550).

Almost surely, 2^253330739 is an apocalyptic number.

253330739 is a deficient number, since it is larger than the sum of its proper divisors (2985661).

253330739 is a wasteful number, since it uses less digits than its factorization.

253330739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829.

The product of its (nonzero) digits is 51030, while the sum is 35.

The square root of 253330739 is about 15916.3670163766. The cubic root of 253330739 is about 632.7458372482.

The spelling of 253330739 in words is "two hundred fifty-three million, three hundred thirty thousand, seven hundred thirty-nine".