253958 has 8 divisors (see below), whose sum is σ = 389928. Its totient is φ = 123984.

The previous prime is 253951. The next prime is 253969. The reversal of 253958 is 859352.

It is a happy number.

253958 is digitally balanced in base 3, 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 d-powerful number, because it can be written as 2¹¹ + 5² + 9⁵ + 3¹¹ + 5⁶ + 8² .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253951) by changing a digit.

253958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (48741).

2²⁵³⁹⁵⁸ is an apocalyptic number.

253958 is a deficient number, since it is larger than the sum of its proper divisors (135970).

253958 is a wasteful number, since it uses less digits than its factorization.

253958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998.

The product of its digits is 10800, while the sum is 32.

The square root of 253958 is about 503.9424570325. The cubic root of 253958 is about 63.3267644772.

The spelling of 253958 in words is "two hundred fifty-three thousand, nine hundred fifty-eight".