52230397 has 2 divisors, whose sum is σ = 52230398. Its totient is φ = 52230396.

The previous prime is 52230389. The next prime is 52230403. The reversal of 52230397 is 79303225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48804196 + 3426201 = 6986^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 52230397 - 2³ = 52230389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52230377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26115198 + 26115199.

It is an arithmetic number, because the mean of its divisors is an integer number (26115199).

Almost surely, 2^52230397 is an apocalyptic number.

It is an amenable number.

52230397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52230397 is an equidigital number, since it uses as much as digits as its factorization.

52230397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 52230397 is about 7227.0600523311. The cubic root of 52230397 is about 373.8015595361.

The spelling of 52230397 in words is "fifty-two million, two hundred thirty thousand, three hundred ninety-seven".