5378405 has 4 divisors (see below), whose sum is σ = 6454092. Its totient is φ = 4302720.

The previous prime is 5378393. The next prime is 5378411. The reversal of 5378405 is 5048735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5048735 = 5 ⋅1009747.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 2217121 = 1778^2 + 1489^2 .

It is not a de Polignac number, because 5378405 - 2¹⁰ = 5377381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537836 + ... + 537845.

It is an arithmetic number, because the mean of its divisors is an integer number (1613523).

Almost surely, 2^5378405 is an apocalyptic number.

It is an amenable number.

5378405 is a deficient number, since it is larger than the sum of its proper divisors (1075687).

5378405 is a wasteful number, since it uses less digits than its factorization.

5378405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075686.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 5378405 is about 2319.1388487971. The cubic root of 5378405 is about 175.2068845769.

The spelling of 5378405 in words is "five million, three hundred seventy-eight thousand, four hundred five".