5405523 has 8 divisors (see below), whose sum is σ = 7343568. Its totient is φ = 3535584.

The previous prime is 5405509. The next prime is 5405527. The reversal of 5405523 is 3255045.

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

It is not a de Polignac number, because 5405523 - 2⁶ = 5405459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5405493 and 5405502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16840 + ... + 17157.

It is an arithmetic number, because the mean of its divisors is an integer number (917946).

Almost surely, 2^5405523 is an apocalyptic number.

5405523 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5405523 is a deficient number, since it is larger than the sum of its proper divisors (1938045).

5405523 is a wasteful number, since it uses less digits than its factorization.

5405523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34053.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 5405523 is about 2324.9780644127. The cubic root of 5405523 is about 175.5008563200.

The spelling of 5405523 in words is "five million, four hundred five thousand, five hundred twenty-three".