253030078 has 16 divisors (see below), whose sum is σ = 435633120. Its totient is φ = 107974656.

The previous prime is 253030051. The next prime is 253030081. The reversal of 253030078 is 870030352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35523 + ... + 42046.

It is an arithmetic number, because the mean of its divisors is an integer number (27227070).

Almost surely, 2^253030078 is an apocalyptic number.

253030078 is a deficient number, since it is larger than the sum of its proper divisors (182603042).

253030078 is a wasteful number, since it uses less digits than its factorization.

253030078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77811.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 253030078 is about 15906.9191863164. The cubic root of 253030078 is about 632.4954171738.

The spelling of 253030078 in words is "two hundred fifty-three million, thirty thousand, seventy-eight".