936521 has 2 divisors, whose sum is σ = 936522. Its totient is φ = 936520.

The previous prime is 936511. The next prime is 936527. The reversal of 936521 is 125639.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929296 + 7225 = 964^2 + 85^2 .

It is an emirp because it is prime and its reverse (125639) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 936521 - 2¹⁴ = 920137 is a prime.

It is not a weakly prime, because it can be changed into another prime (936527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468260 + 468261.

It is an arithmetic number, because the mean of its divisors is an integer number (468261).

2⁹³⁶⁵²¹ is an apocalyptic number.

It is an amenable number.

936521 is a deficient number, since it is larger than the sum of its proper divisors (1).

936521 is an equidigital number, since it uses as much as digits as its factorization.

936521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 936521 is about 967.7401510736. The cubic root of 936521 is about 97.8376111154.

The spelling of 936521 in words is "nine hundred thirty-six thousand, five hundred twenty-one".