536981261 has 8 divisors (see below), whose sum is σ = 569111040. Its totient is φ = 504911808.

The previous prime is 536981239. The next prime is 536981267. The reversal of 536981261 is 162189635.

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 536981261 - 2¹⁰ = 536980237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536981267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950 + ... + 33008.

It is an arithmetic number, because the mean of its divisors is an integer number (71138880).

Almost surely, 2^536981261 is an apocalyptic number.

It is an amenable number.

536981261 is a deficient number, since it is larger than the sum of its proper divisors (32129779).

536981261 is a wasteful number, since it uses less digits than its factorization.

536981261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30163.

The product of its digits is 77760, while the sum is 41.

The square root of 536981261 is about 23172.8561252168. The cubic root of 536981261 is about 812.8050192383.

The spelling of 536981261 in words is "five hundred thirty-six million, nine hundred eighty-one thousand, two hundred sixty-one".