5309405 has 4 divisors (see below), whose sum is σ = 6371292. Its totient is φ = 4247520.

The previous prime is 5309387. The next prime is 5309413. The reversal of 5309405 is 5049035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5049035 = 5 ⋅1009807.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 3171961 = 1462^2 + 1781^2 .

It is not a de Polignac number, because 5309405 - 2¹⁶ = 5243869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 530936 + ... + 530945.

It is an arithmetic number, because the mean of its divisors is an integer number (1592823).

Almost surely, 2^5309405 is an apocalyptic number.

It is an amenable number.

5309405 is a deficient number, since it is larger than the sum of its proper divisors (1061887).

5309405 is a wasteful number, since it uses less digits than its factorization.

5309405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061886.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5309405 is about 2304.2146167404. The cubic root of 5309405 is about 174.4544096464.

The spelling of 5309405 in words is "five million, three hundred nine thousand, four hundred five".