5161739252 has 6 divisors (see below), whose sum is σ = 9033043698. Its totient is φ = 2580869624.

The previous prime is 5161739201. The next prime is 5161739269. The reversal of 5161739252 is 2529371615.

It can be written as a sum of positive squares in only one way, i.e., 3742258276 + 1419480976 = 61174^2 + 37676^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645217403 + ... + 645217410.

It is an arithmetic number, because the mean of its divisors is an integer number (1505507283).

Almost surely, 2^5161739252 is an apocalyptic number.

It is an amenable number.

5161739252 is a deficient number, since it is larger than the sum of its proper divisors (3871304446).

5161739252 is a wasteful number, since it uses less digits than its factorization.

5161739252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290434817 (or 1290434815 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 5161739252 is about 71845.2451593006. The cubic root of 5161739252 is about 1728.2186495479.

The spelling of 5161739252 in words is "five billion, one hundred sixty-one million, seven hundred thirty-nine thousand, two hundred fifty-two".