5457865 has 12 divisors (see below), whose sum is σ = 7619076. Its totient is φ = 3742368.

The previous prime is 5457857. The next prime is 5457869. The reversal of 5457865 is 5687545.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 2119936 = 1827^2 + 1456^2 .

It is not a de Polignac number, because 5457865 - 2³ = 5457857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5457869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10894 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (634923).

Almost surely, 2^5457865 is an apocalyptic number.

It is an amenable number.

5457865 is a deficient number, since it is larger than the sum of its proper divisors (2161211).

5457865 is a wasteful number, since it uses less digits than its factorization.

5457865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296 (or 22289 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 5457865 is about 2336.2073966153. The cubic root of 5457865 is about 176.0654994674.

The spelling of 5457865 in words is "five million, four hundred fifty-seven thousand, eight hundred sixty-five".