536165521 has 2 divisors, whose sum is σ = 536165522. Its totient is φ = 536165520.

The previous prime is 536165449. The next prime is 536165537. The reversal of 536165521 is 125561635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443313025 + 92852496 = 21055^2 + 9636^2 .

It is a cyclic number.

It is not a de Polignac number, because 536165521 - 2⁷ = 536165393 is a prime.

It is not a weakly prime, because it can be changed into another prime (536165561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268082760 + 268082761.

It is an arithmetic number, because the mean of its divisors is an integer number (268082761).

Almost surely, 2^536165521 is an apocalyptic number.

It is an amenable number.

536165521 is a deficient number, since it is larger than the sum of its proper divisors (1).

536165521 is an equidigital number, since it uses as much as digits as its factorization.

536165521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 536165521 is about 23155.2482387903. The cubic root of 536165521 is about 812.3932273421.

The spelling of 536165521 in words is "five hundred thirty-six million, one hundred sixty-five thousand, five hundred twenty-one".