5158278 has 24 divisors (see below), whose sum is σ = 11389248. Its totient is φ = 1686672.

The previous prime is 5158277. The next prime is 5158289. The reversal of 5158278 is 8728515.

5158278 is a `hidden beast` number, since 5 + 1 + 582 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1750 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (474552).

Almost surely, 2^5158278 is an apocalyptic number.

5158278 is an abundant number, since it is smaller than the sum of its proper divisors (6230970).

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

5158278 is a wasteful number, since it uses less digits than its factorization.

5158278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5465 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5158278 is about 2271.1842725768. The cubic root of 5158278 is about 172.7832272172.

The spelling of 5158278 in words is "five million, one hundred fifty-eight thousand, two hundred seventy-eight".