5275262161 has 27 divisors (see below), whose sum is σ = 5909961393. Its totient is φ = 4706488800.

The previous prime is 5275262149. The next prime is 5275262183. The reversal of 5275262161 is 1612625725.

The square root of 5275262161 is 72631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21911761 + 5253350400 = 4681^2 + 72480^2 .

It is not a de Polignac number, because 5275262161 - 2²³ = 5266873553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5275262161.

It is not an unprimeable number, because it can be changed into a prime (5275262101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34935436 + ... + 34935586.

It is an arithmetic number, because the mean of its divisors is an integer number (218887459).

Almost surely, 2^5275262161 is an apocalyptic number.

5275262161 is the 72631-st square number.

5275262161 is the 36316-th centered octagonal number.

It is an amenable number.

5275262161 is a deficient number, since it is larger than the sum of its proper divisors (634699232).

5275262161 is an equidigital number, since it uses as much as digits as its factorization.

5275262161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 201 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The cubic root of 5275262161 is about 1740.7965438519.

Adding to 5275262161 its reverse (1612625725), we get a palindrome (6887887886).

The spelling of 5275262161 in words is "five billion, two hundred seventy-five million, two hundred sixty-two thousand, one hundred sixty-one".