253923947 has 8 divisors (see below), whose sum is σ = 262552752. Its totient is φ = 245411200.

The previous prime is 253923889. The next prime is 253923953. The reversal of 253923947 is 749329352.

253923947 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 253923947 - 2¹² = 253919851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253923898 and 253923907.

It is not an unprimeable number, because it can be changed into a prime (253923247) 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, 24554 + ... + 33327.

It is an arithmetic number, because the mean of its divisors is an integer number (32819094).

Almost surely, 2^253923947 is an apocalyptic number.

253923947 is a deficient number, since it is larger than the sum of its proper divisors (8628805).

253923947 is a wasteful number, since it uses less digits than its factorization.

253923947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58029.

The product of its digits is 408240, while the sum is 44.

The square root of 253923947 is about 15934.9912770607. The cubic root of 253923947 is about 633.2393387439.

The spelling of 253923947 in words is "two hundred fifty-three million, nine hundred twenty-three thousand, nine hundred forty-seven".