5161340225 has 6 divisors (see below), whose sum is σ = 6400061910. Its totient is φ = 4129072160.

The previous prime is 5161340207. The next prime is 5161340251. The reversal of 5161340225 is 5220431615.

It can be written as a sum of positive squares in 3 ways, for example, as 28047616 + 5133292609 = 5296^2 + 71647^2 .

It is not a de Polignac number, because 5161340225 - 2¹⁰ = 5161339201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103226780 + ... + 103226829.

It is an arithmetic number, because the mean of its divisors is an integer number (1066676985).

Almost surely, 2^5161340225 is an apocalyptic number.

It is an amenable number.

5161340225 is a deficient number, since it is larger than the sum of its proper divisors (1238721685).

5161340225 is a wasteful number, since it uses less digits than its factorization.

5161340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206453619 (or 206453614 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5161340225 is about 71842.4681160106. The cubic root of 5161340225 is about 1728.1741152259.

The spelling of 5161340225 in words is "five billion, one hundred sixty-one million, three hundred forty thousand, two hundred twenty-five".