5265131509 has 8 divisors (see below), whose sum is σ = 5808317760. Its totient is φ = 4732701600.

The previous prime is 5265131507. The next prime is 5265131513. The reversal of 5265131509 is 9051315625.

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

It is not a de Polignac number, because 5265131509 - 2¹ = 5265131507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265131507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688057 + ... + 2690014.

It is an arithmetic number, because the mean of its divisors is an integer number (726039720).

Almost surely, 2^5265131509 is an apocalyptic number.

It is an amenable number.

5265131509 is a deficient number, since it is larger than the sum of its proper divisors (543186251).

5265131509 is a wasteful number, since it uses less digits than its factorization.

5265131509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378171.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 5265131509 is about 72561.2259336900. The cubic root of 5265131509 is about 1739.6814836228.

The spelling of 5265131509 in words is "five billion, two hundred sixty-five million, one hundred thirty-one thousand, five hundred nine".