5131465 has 4 divisors (see below), whose sum is σ = 6157764. Its totient is φ = 4105168.

The previous prime is 5131459. The next prime is 5131481. The reversal of 5131465 is 5641315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 2468041 = 1632^2 + 1571^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131465 - 2³ = 5131457 is a prime.

It is a Duffinian 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, 513142 + ... + 513151.

It is an arithmetic number, because the mean of its divisors is an integer number (1539441).

Almost surely, 2^5131465 is an apocalyptic number.

It is an amenable number.

5131465 is a deficient number, since it is larger than the sum of its proper divisors (1026299).

5131465 is a wasteful number, since it uses less digits than its factorization.

5131465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026298.

The product of its digits is 1800, while the sum is 25.

The square root of 5131465 is about 2265.2737141458. The cubic root of 5131465 is about 172.4833282214.

The spelling of 5131465 in words is "five million, one hundred thirty-one thousand, four hundred sixty-five".