253291367 has 8 divisors (see below), whose sum is σ = 290752896. Its totient is φ = 216149112.

The previous prime is 253291361. The next prime is 253291391. The reversal of 253291367 is 763192352.

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 253291367 - 2⁴ = 253291351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253291367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253291361) 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 7 ways as a sum of consecutive naturals, for example, 78113 + ... + 81290.

It is an arithmetic number, because the mean of its divisors is an integer number (36344112).

Almost surely, 2^253291367 is an apocalyptic number.

253291367 is a deficient number, since it is larger than the sum of its proper divisors (37461529).

253291367 is a wasteful number, since it uses less digits than its factorization.

253291367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159637.

The product of its digits is 68040, while the sum is 38.

The square root of 253291367 is about 15915.1301282773. The cubic root of 253291367 is about 632.7130556496.

The spelling of 253291367 in words is "two hundred fifty-three million, two hundred ninety-one thousand, three hundred sixty-seven".