5161005 has 12 divisors (see below), whose sum is σ = 8945820. Its totient is φ = 2752512.

The previous prime is 5161003. The next prime is 5161031. The reversal of 5161005 is 5001615.

5161005 is a `hidden beast` number, since 51 + 610 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 4334724 = 909^2 + 2082^2 .

It is not a de Polignac number, because 5161005 - 2¹ = 5161003 is a prime.

It is a super-2 number, since 2×5161005² = 53271945220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161003) 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, 57300 + ... + 57389.

It is an arithmetic number, because the mean of its divisors is an integer number (745485).

Almost surely, 2^5161005 is an apocalyptic number.

It is an amenable number.

5161005 is a deficient number, since it is larger than the sum of its proper divisors (3784815).

5161005 is a wasteful number, since it uses less digits than its factorization.

5161005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114700 (or 114697 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 5161005 is about 2271.7845408401. The cubic root of 5161005 is about 172.8136699898.

It can be divided in two parts, 516 and 1005, that added together give a square (1521 = 39²).

The spelling of 5161005 in words is "five million, one hundred sixty-one thousand, five".