253295943 has 4 divisors (see below), whose sum is σ = 337727928. Its totient is φ = 168863960.

The previous prime is 253295927. The next prime is 253295953. The reversal of 253295943 is 349592352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253295943 - 2⁴ = 253295927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253295895 and 253295904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253295923) 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 3 ways as a sum of consecutive naturals, for example, 42215988 + ... + 42215993.

It is an arithmetic number, because the mean of its divisors is an integer number (84431982).

Almost surely, 2^253295943 is an apocalyptic number.

253295943 is a deficient number, since it is larger than the sum of its proper divisors (84431985).

253295943 is an equidigital number, since it uses as much as digits as its factorization.

253295943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84431984.

The product of its digits is 291600, while the sum is 42.

The square root of 253295943 is about 15915.2738901974. The cubic root of 253295943 is about 632.7168658565.

The spelling of 253295943 in words is "two hundred fifty-three million, two hundred ninety-five thousand, nine hundred forty-three".