52351217 has 2 divisors, whose sum is σ = 52351218. Its totient is φ = 52351216.

The previous prime is 52351207. The next prime is 52351223. The reversal of 52351217 is 71215325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50566321 + 1784896 = 7111^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 52351217 - 2¹² = 52347121 is a prime.

It is not a weakly prime, because it can be changed into another prime (52351207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175608 + 26175609.

It is an arithmetic number, because the mean of its divisors is an integer number (26175609).

Almost surely, 2^52351217 is an apocalyptic number.

It is an amenable number.

52351217 is a deficient number, since it is larger than the sum of its proper divisors (1).

52351217 is an equidigital number, since it uses as much as digits as its factorization.

52351217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 26.

The square root of 52351217 is about 7235.4140862842. The cubic root of 52351217 is about 374.0895650403.

The spelling of 52351217 in words is "fifty-two million, three hundred fifty-one thousand, two hundred seventeen".