5312578 has 4 divisors (see below), whose sum is σ = 7968870. Its totient is φ = 2656288.

The previous prime is 5312557. The next prime is 5312579. The reversal of 5312578 is 8752135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5212089 + 100489 = 2283^2 + 317^2 .

It is not an unprimeable number, because it can be changed into a prime (5312579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328143 + ... + 1328146.

Almost surely, 2^5312578 is an apocalyptic number.

5312578 is a deficient number, since it is larger than the sum of its proper divisors (2656292).

5312578 is a wasteful number, since it uses less digits than its factorization.

5312578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656291.

The product of its digits is 8400, while the sum is 31.

The square root of 5312578 is about 2304.9030348368. The cubic root of 5312578 is about 174.4891551348.

The spelling of 5312578 in words is "five million, three hundred twelve thousand, five hundred seventy-eight".