5131044 has 18 divisors (see below), whose sum is σ = 12970230. Its totient is φ = 1710336.

The previous prime is 5131043. The next prime is 5131067. The reversal of 5131044 is 4401315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 14400 = 2262^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5131044² = 52655225059872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5131043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71229 + ... + 71300.

Almost surely, 2^5131044 is an apocalyptic number.

It is an amenable number.

5131044 is an abundant number, since it is smaller than the sum of its proper divisors (7839186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131044 is a wasteful number, since it uses less digits than its factorization.

5131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142539 (or 142534 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5131044 is about 2265.1807874870. The cubic root of 5131044 is about 172.4786110846.

Adding to 5131044 its reverse (4401315), we get a palindrome (9532359).

The spelling of 5131044 in words is "five million, one hundred thirty-one thousand, forty-four".