52417997 has 2 divisors, whose sum is σ = 52417998. Its totient is φ = 52417996.

The previous prime is 52417969. The next prime is 52418027. The reversal of 52417997 is 79971425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48804196 + 3613801 = 6986^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 52417997 - 2⁶ = 52417933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52417597) 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, 26208998 + 26208999.

It is an arithmetic number, because the mean of its divisors is an integer number (26208999).

Almost surely, 2^52417997 is an apocalyptic number.

It is an amenable number.

52417997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52417997 is an equidigital number, since it uses as much as digits as its factorization.

52417997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 52417997 is about 7240.0274170752. The cubic root of 52417997 is about 374.2485622121.

The spelling of 52417997 in words is "fifty-two million, four hundred seventeen thousand, nine hundred ninety-seven".