52212647 has 2 divisors, whose sum is σ = 52212648. Its totient is φ = 52212646.

The previous prime is 52212613. The next prime is 52212653. The reversal of 52212647 is 74621225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52212647 - 2²² = 48018343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52212607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26106323 + 26106324.

It is an arithmetic number, because the mean of its divisors is an integer number (26106324).

Almost surely, 2^52212647 is an apocalyptic number.

52212647 is a deficient number, since it is larger than the sum of its proper divisors (1).

52212647 is an equidigital number, since it uses as much as digits as its factorization.

52212647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 52212647 is about 7225.8319244223. The cubic root of 52212647 is about 373.7592104455.

The spelling of 52212647 in words is "fifty-two million, two hundred twelve thousand, six hundred forty-seven".