536965921 has 2 divisors, whose sum is σ = 536965922. Its totient is φ = 536965920.

The previous prime is 536965909. The next prime is 536965931. The reversal of 536965921 is 129569635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441630225 + 95335696 = 21015^2 + 9764^2 .

It is a cyclic number.

It is not a de Polignac number, because 536965921 - 2¹¹ = 536963873 is a prime.

It is not a weakly prime, because it can be changed into another prime (536965931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268482960 + 268482961.

It is an arithmetic number, because the mean of its divisors is an integer number (268482961).

Almost surely, 2^536965921 is an apocalyptic number.

It is an amenable number.

536965921 is a deficient number, since it is larger than the sum of its proper divisors (1).

536965921 is an equidigital number, since it uses as much as digits as its factorization.

536965921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 46.

The square root of 536965921 is about 23172.5251321473. The cubic root of 536965921 is about 812.7972793358.

The spelling of 536965921 in words is "five hundred thirty-six million, nine hundred sixty-five thousand, nine hundred twenty-one".