253209734 has 8 divisors (see below), whose sum is σ = 380085048. Its totient is φ = 126514720.

The previous prime is 253209731. The next prime is 253209739. The reversal of 253209734 is 437902352.

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

It is a junction number, because it is equal to n+sod(n) for n = 253209694 and 253209703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253209731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41507 + ... + 47214.

It is an arithmetic number, because the mean of its divisors is an integer number (47510631).

Almost surely, 2^253209734 is an apocalyptic number.

253209734 is a deficient number, since it is larger than the sum of its proper divisors (126875314).

253209734 is a wasteful number, since it uses less digits than its factorization.

253209734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90150.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 253209734 is about 15912.5652865903. The cubic root of 253209734 is about 632.6450762112.

The spelling of 253209734 in words is "two hundred fifty-three million, two hundred nine thousand, seven hundred thirty-four".