5400623 has 4 divisors (see below), whose sum is σ = 5450280. Its totient is φ = 5350968.

The previous prime is 5400589. The next prime is 5400649. The reversal of 5400623 is 3260045.

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

It is a cyclic number.

It is not a de Polignac number, because 5400623 - 2⁶ = 5400559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5400595 and 5400604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24665 + ... + 24882.

It is an arithmetic number, because the mean of its divisors is an integer number (1362570).

Almost surely, 2^5400623 is an apocalyptic number.

5400623 is a deficient number, since it is larger than the sum of its proper divisors (49657).

5400623 is a wasteful number, since it uses less digits than its factorization.

5400623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49656.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 5400623 is about 2323.9240521153. The cubic root of 5400623 is about 175.4478109335.

Adding to 5400623 its reverse (3260045), we get a palindrome (8660668).

The spelling of 5400623 in words is "five million, four hundred thousand, six hundred twenty-three".