936542521 has 2 divisors, whose sum is σ = 936542522. Its totient is φ = 936542520.

The previous prime is 936542473. The next prime is 936542533. The reversal of 936542521 is 125245639.

936542521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512388496 + 424154025 = 22636^2 + 20595^2 .

It is an emirp because it is prime and its reverse (125245639) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 936542521 - 2²⁹ = 399671609 is a prime.

It is a super-2 number, since 2×936542521² = 1754223787282070882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (936542561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468271260 + 468271261.

It is an arithmetic number, because the mean of its divisors is an integer number (468271261).

Almost surely, 2^936542521 is an apocalyptic number.

It is an amenable number.

936542521 is a deficient number, since it is larger than the sum of its proper divisors (1).

936542521 is an equidigital number, since it uses as much as digits as its factorization.

936542521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 936542521 is about 30602.9822239598. The cubic root of 936542521 is about 978.3836053701.

The spelling of 936542521 in words is "nine hundred thirty-six million, five hundred forty-two thousand, five hundred twenty-one".