52206493 has 2 divisors, whose sum is σ = 52206494. Its totient is φ = 52206492.

The previous prime is 52206487. The next prime is 52206551. The reversal of 52206493 is 39460225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41434969 + 10771524 = 6437^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 52206493 - 2⁹ = 52205981 is a prime.

It is a super-2 number, since 2×52206493² = 5451035822718098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52206403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103246 + 26103247.

It is an arithmetic number, because the mean of its divisors is an integer number (26103247).

Almost surely, 2^52206493 is an apocalyptic number.

It is an amenable number.

52206493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52206493 is an equidigital number, since it uses as much as digits as its factorization.

52206493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 52206493 is about 7225.4060785536. The cubic root of 52206493 is about 373.7445255963.

The spelling of 52206493 in words is "fifty-two million, two hundred six thousand, four hundred ninety-three".