5278623 has 24 divisors (see below), whose sum is σ = 8276400. Its totient is φ = 2983680.

The previous prime is 5278621. The next prime is 5278657. The reversal of 5278623 is 3268725.

5278623 is digitally balanced in base 3, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5278623 - 2¹ = 5278621 is a prime.

It is a super-2 number, since 2×5278623² = 55727721552258, which contains 22 as substring.

5278623 is strictly pandigital in base 8.

5278623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21783 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (344850).

Almost surely, 2^5278623 is an apocalyptic number.

5278623 is a deficient number, since it is larger than the sum of its proper divisors (2997777).

5278623 is a wasteful number, since it uses less digits than its factorization.

5278623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 400 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 5278623 is about 2297.5254079117. The cubic root of 5278623 is about 174.1166149174.

The spelling of 5278623 in words is "five million, two hundred seventy-eight thousand, six hundred twenty-three".