253284747 has 8 divisors (see below), whose sum is σ = 339163344. Its totient is φ = 168131328.

The previous prime is 253284737. The next prime is 253284793. The reversal of 253284747 is 747482352.

It is a happy number.

253284747 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 not a de Polignac number, because 253284747 - 2¹⁵ = 253251979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253284699 and 253284708.

It is not an unprimeable number, because it can be changed into a prime (253284727) 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, 180478 + ... + 181875.

It is an arithmetic number, because the mean of its divisors is an integer number (42395418).

Almost surely, 2^253284747 is an apocalyptic number.

253284747 is a deficient number, since it is larger than the sum of its proper divisors (85878597).

253284747 is a wasteful number, since it uses less digits than its factorization.

253284747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362589.

The product of its digits is 376320, while the sum is 42.

The square root of 253284747 is about 15914.9221487257. The cubic root of 253284747 is about 632.7075434247.

The spelling of 253284747 in words is "two hundred fifty-three million, two hundred eighty-four thousand, seven hundred forty-seven".