536936921 has 2 divisors, whose sum is σ = 536936922. Its totient is φ = 536936920.

The previous prime is 536936893. The next prime is 536936951. The reversal of 536936921 is 129639635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536570896 + 366025 = 23164^2 + 605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536936921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536936951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268468460 + 268468461.

It is an arithmetic number, because the mean of its divisors is an integer number (268468461).

Almost surely, 2^536936921 is an apocalyptic number.

It is an amenable number.

536936921 is a deficient number, since it is larger than the sum of its proper divisors (1).

536936921 is an equidigital number, since it uses as much as digits as its factorization.

536936921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 44.

The square root of 536936921 is about 23171.8993826574. The cubic root of 536936921 is about 812.7826467837.

The spelling of 536936921 in words is "five hundred thirty-six million, nine hundred thirty-six thousand, nine hundred twenty-one".