5457905 has 4 divisors (see below), whose sum is σ = 6549492. Its totient is φ = 4366320.

The previous prime is 5457871. The next prime is 5457917. The reversal of 5457905 is 5097545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5097545 = 5 ⋅1019509.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 4566769 = 944^2 + 2137^2 .

It is not a de Polignac number, because 5457905 - 2¹² = 5453809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 545786 + ... + 545795.

It is an arithmetic number, because the mean of its divisors is an integer number (1637373).

Almost surely, 2^5457905 is an apocalyptic number.

It is an amenable number.

5457905 is a deficient number, since it is larger than the sum of its proper divisors (1091587).

5457905 is a wasteful number, since it uses less digits than its factorization.

5457905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091586.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 5457905 is about 2336.2159574834. The cubic root of 5457905 is about 176.0659295869.

The spelling of 5457905 in words is "five million, four hundred fifty-seven thousand, nine hundred five".