52572229 has 2 divisors, whose sum is σ = 52572230. Its totient is φ = 52572228.

The previous prime is 52572199. The next prime is 52572239. The reversal of 52572229 is 92227525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 25553025 = 5198^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 52572229 - 2⁵ = 52572197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52572194 and 52572203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52572239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286114 + 26286115.

It is an arithmetic number, because the mean of its divisors is an integer number (26286115).

Almost surely, 2^52572229 is an apocalyptic number.

It is an amenable number.

52572229 is a deficient number, since it is larger than the sum of its proper divisors (1).

52572229 is an equidigital number, since it uses as much as digits as its factorization.

52572229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 52572229 is about 7250.6709344722. The cubic root of 52572229 is about 374.6152593266.

The spelling of 52572229 in words is "fifty-two million, five hundred seventy-two thousand, two hundred twenty-nine".