5361520261 has 8 divisors (see below), whose sum is σ = 5696304120. Its totient is φ = 5036730048.

The previous prime is 5361520247. The next prime is 5361520303. The reversal of 5361520261 is 1620251635.

It can be written as a sum of positive squares in 4 ways, for example, as 3094808161 + 2266712100 = 55631^2 + 47610^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5361520261 - 2⁹ = 5361519749 is a prime.

It is a super-2 number, since 2×5361520261² = 57491799018227016242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5361520211) 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 7 ways as a sum of consecutive naturals, for example, 2497306 + ... + 2499451.

It is an arithmetic number, because the mean of its divisors is an integer number (712038015).

Almost surely, 2^5361520261 is an apocalyptic number.

It is an amenable number.

5361520261 is a deficient number, since it is larger than the sum of its proper divisors (334783859).

5361520261 is a wasteful number, since it uses less digits than its factorization.

5361520261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996823.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5361520261 is about 73222.4027262149. The cubic root of 5361520261 is about 1750.2334666479.

Adding to 5361520261 its reverse (1620251635), we get a palindrome (6981771896).

The spelling of 5361520261 in words is "five billion, three hundred sixty-one million, five hundred twenty thousand, two hundred sixty-one".