536456521 has 2 divisors, whose sum is σ = 536456522. Its totient is φ = 536456520.

The previous prime is 536456441. The next prime is 536456533. The reversal of 536456521 is 125654635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 66650896 = 21675^2 + 8164^2 .

It is a cyclic number.

It is not a de Polignac number, because 536456521 - 2⁹ = 536456009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536456561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268228260 + 268228261.

It is an arithmetic number, because the mean of its divisors is an integer number (268228261).

Almost surely, 2^536456521 is an apocalyptic number.

It is an amenable number.

536456521 is a deficient number, since it is larger than the sum of its proper divisors (1).

536456521 is an equidigital number, since it uses as much as digits as its factorization.

536456521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The square root of 536456521 is about 23161.5310590643. The cubic root of 536456521 is about 812.5401742976.

The spelling of 536456521 in words is "five hundred thirty-six million, four hundred fifty-six thousand, five hundred twenty-one".