536772221 has 2 divisors, whose sum is σ = 536772222. Its totient is φ = 536772220.

The previous prime is 536772199. The next prime is 536772227. The reversal of 536772221 is 122277635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495952900 + 40819321 = 22270^2 + 6389^2 .

It is a cyclic number.

It is not a de Polignac number, because 536772221 - 2²² = 532577917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536772227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268386110 + 268386111.

It is an arithmetic number, because the mean of its divisors is an integer number (268386111).

Almost surely, 2^536772221 is an apocalyptic number.

It is an amenable number.

536772221 is a deficient number, since it is larger than the sum of its proper divisors (1).

536772221 is an equidigital number, since it uses as much as digits as its factorization.

536772221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 536772221 is about 23168.3452365507. The cubic root of 536772221 is about 812.6995339845.

The spelling of 536772221 in words is "five hundred thirty-six million, seven hundred seventy-two thousand, two hundred twenty-one".