52206631 has 2 divisors, whose sum is σ = 52206632. Its totient is φ = 52206630.

The previous prime is 52206617. The next prime is 52206647. The reversal of 52206631 is 13660225.

52206631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52206631 - 2¹¹ = 52204583 is a prime.

It is a super-2 number, since 2×52206631² = 5451064640740322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52206596 and 52206605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52206131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103315 + 26103316.

It is an arithmetic number, because the mean of its divisors is an integer number (26103316).

Almost surely, 2^52206631 is an apocalyptic number.

52206631 is a deficient number, since it is larger than the sum of its proper divisors (1).

52206631 is an equidigital number, since it uses as much as digits as its factorization.

52206631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52206631 is about 7225.4156281836. The cubic root of 52206631 is about 373.7448549084.

Adding to 52206631 its reverse (13660225), we get a palindrome (65866856).

The spelling of 52206631 in words is "fifty-two million, two hundred six thousand, six hundred thirty-one".