253042878 has 32 divisors (see below), whose sum is σ = 552821760. Its totient is φ = 76578560.

The previous prime is 253042871. The next prime is 253042883. The reversal of 253042878 is 878240352.

253042878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253042871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59251 + ... + 63377.

It is an arithmetic number, because the mean of its divisors is an integer number (17275680).

Almost surely, 2^253042878 is an apocalyptic number.

253042878 is an abundant number, since it is smaller than the sum of its proper divisors (299778882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253042878 is a wasteful number, since it uses less digits than its factorization.

253042878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 253042878 is about 15907.3215218653. The cubic root of 253042878 is about 632.5060823153.

It can be divided in two parts, 25304 and 2878, that added together give a palindrome (28182).

The spelling of 253042878 in words is "two hundred fifty-three million, forty-two thousand, eight hundred seventy-eight".