52969247 has 2 divisors, whose sum is σ = 52969248. Its totient is φ = 52969246.

The previous prime is 52969219. The next prime is 52969277. The reversal of 52969247 is 74296925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52969247 - 2¹² = 52965151 is a prime.

It is a super-2 number, since 2×52969247² = 5611482255494018, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52969198 and 52969207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52969277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26484623 + 26484624.

It is an arithmetic number, because the mean of its divisors is an integer number (26484624).

Almost surely, 2^52969247 is an apocalyptic number.

52969247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52969247 is an equidigital number, since it uses as much as digits as its factorization.

52969247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 52969247 is about 7277.9974580924. The cubic root of 52969247 is about 375.5559091292. Note that the first 3 decimals are identical.

The spelling of 52969247 in words is "fifty-two million, nine hundred sixty-nine thousand, two hundred forty-seven".