52572251 has 2 divisors, whose sum is σ = 52572252. Its totient is φ = 52572250.

The previous prime is 52572241. The next prime is 52572257. The reversal of 52572251 is 15227525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52572251 - 2¹⁰ = 52571227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52572257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286125 + 26286126.

It is an arithmetic number, because the mean of its divisors is an integer number (26286126).

Almost surely, 2^52572251 is an apocalyptic number.

52572251 is a deficient number, since it is larger than the sum of its proper divisors (1).

52572251 is an equidigital number, since it uses as much as digits as its factorization.

52572251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 29.

The square root of 52572251 is about 7250.6724515730. The cubic root of 52572251 is about 374.6153115819.

Adding to 52572251 its reverse (15227525), we get a palindrome (67799776).

The spelling of 52572251 in words is "fifty-two million, five hundred seventy-two thousand, two hundred fifty-one".