253078 has 8 divisors (see below), whose sum is σ = 433872. Its totient is φ = 108456.

The previous prime is 253063. The next prime is 253081. The reversal of 253078 is 870352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9025 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (54234).

2²⁵³⁰⁷⁸ is an apocalyptic number.

253078 is a deficient number, since it is larger than the sum of its proper divisors (180794).

253078 is a wasteful number, since it uses less digits than its factorization.

253078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18086.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 253078 is about 503.0685837935. The cubic root of 253078 is about 63.2535344617.

The spelling of 253078 in words is "two hundred fifty-three thousand, seventy-eight".