52572257 has 2 divisors, whose sum is σ = 52572258. Its totient is φ = 52572256.

The previous prime is 52572251. The next prime is 52572263. The reversal of 52572257 is 75227525.

It is a balanced prime because it is at equal distance from previous prime (52572251) and next prime (52572263).

It can be written as a sum of positive squares in only one way, i.e., 52475536 + 96721 = 7244^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 52572257 - 2⁴ = 52572241 is a prime.

It is equal to p_3145976 and since 52572257 and 3145976 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52572251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286128 + 26286129.

It is an arithmetic number, because the mean of its divisors is an integer number (26286129).

Almost surely, 2^52572257 is an apocalyptic number.

It is an amenable number.

52572257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52572257 is an equidigital number, since it uses as much as digits as its factorization.

52572257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49000, while the sum is 35.

The square root of 52572257 is about 7250.6728653277. The cubic root of 52572257 is about 374.6153258333.

The spelling of 52572257 in words is "fifty-two million, five hundred seventy-two thousand, two hundred fifty-seven".