536092721 has 4 divisors (see below), whose sum is σ = 546207732. Its totient is φ = 525977712.

The previous prime is 536092709. The next prime is 536092723. The reversal of 536092721 is 127290635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 127290635 = 5 ⋅25458127.

It can be written as a sum of positive squares in 2 ways, for example, as 284394496 + 251698225 = 16864^2 + 15865^2 .

It is a cyclic number.

It is not a de Polignac number, because 536092721 - 2¹⁴ = 536076337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536092723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057426 + ... + 5057531.

It is an arithmetic number, because the mean of its divisors is an integer number (136551933).

Almost surely, 2^536092721 is an apocalyptic number.

It is an amenable number.

536092721 is a deficient number, since it is larger than the sum of its proper divisors (10115011).

536092721 is a wasteful number, since it uses less digits than its factorization.

536092721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115010.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 536092721 is about 23153.6761875949. The cubic root of 536092721 is about 812.3564570404.

The spelling of 536092721 in words is "five hundred thirty-six million, ninety-two thousand, seven hundred twenty-one".