536862721 has 4 divisors (see below), whose sum is σ = 537984000. Its totient is φ = 535741444.

The previous prime is 536862719. The next prime is 536862731. The reversal of 536862721 is 127268635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 536862721 - 2¹ = 536862719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536862701) 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 3 ways as a sum of consecutive naturals, for example, 559921 + ... + 560878.

It is an arithmetic number, because the mean of its divisors is an integer number (134496000).

Almost surely, 2^536862721 is an apocalyptic number.

It is an amenable number.

536862721 is a deficient number, since it is larger than the sum of its proper divisors (1121279).

536862721 is a wasteful number, since it uses less digits than its factorization.

536862721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121278.

The product of its digits is 120960, while the sum is 40.

The square root of 536862721 is about 23170.2982501305. The cubic root of 536862721 is about 812.7452052344.

The spelling of 536862721 in words is "five hundred thirty-six million, eight hundred sixty-two thousand, seven hundred twenty-one".