5261036089 has 3 divisors (see below), whose sum is σ = 5261108623. Its totient is φ = 5260963556.

The previous prime is 5261036069. The next prime is 5261036093. The reversal of 5261036089 is 9806301625.

The square root of 5261036089 is 72533.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4330298025 + 930738064 = 65805^2 + 30508^2 .

It is not a de Polignac number, because 5261036089 - 2²³ = 5252647481 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261036059) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36267 + ... + 108799.

Almost surely, 2^5261036089 is an apocalyptic number.

5261036089 is the 72533-rd square number.

5261036089 is the 36267-th centered octagonal number.

It is an amenable number.

5261036089 is a deficient number, since it is larger than the sum of its proper divisors (72534).

5261036089 is an frugal number, since it uses more digits than its factorization.

5261036089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145066 (or 72533 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The cubic root of 5261036089 is about 1739.2303030953.

The spelling of 5261036089 in words is "five billion, two hundred sixty-one million, thirty-six thousand, eighty-nine".