5312278 has 8 divisors (see below), whose sum is σ = 8243280. Its totient is φ = 2564520.

The previous prime is 5312273. The next prime is 5312303. The reversal of 5312278 is 8722135.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45738 + ... + 45853.

It is an arithmetic number, because the mean of its divisors is an integer number (1030410).

Almost surely, 2^5312278 is an apocalyptic number.

5312278 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5312278 is a deficient number, since it is larger than the sum of its proper divisors (2931002).

5312278 is a wasteful number, since it uses less digits than its factorization.

5312278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91622.

The product of its digits is 3360, while the sum is 28.

The square root of 5312278 is about 2304.8379552585. The cubic root of 5312278 is about 174.4858706195.

It can be divided in two parts, 531 and 2278, that added together give a square (2809 = 53²).

The spelling of 5312278 in words is "five million, three hundred twelve thousand, two hundred seventy-eight".