52221047 has 2 divisors, whose sum is σ = 52221048. Its totient is φ = 52221046.

The previous prime is 52221041. The next prime is 52221053. The reversal of 52221047 is 74012225.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (52221041) and next prime (52221053).

It is a cyclic number.

It is not a de Polignac number, because 52221047 - 2⁴ = 52221031 is a prime.

It is equal to p_3126263 and since 52221047 and 3126263 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110523 + 26110524.

It is an arithmetic number, because the mean of its divisors is an integer number (26110524).

Almost surely, 2^52221047 is an apocalyptic number.

52221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

52221047 is an equidigital number, since it uses as much as digits as its factorization.

52221047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52221047 is about 7226.4131489972. The cubic root of 52221047 is about 373.7792529014.

The spelling of 52221047 in words is "fifty-two million, two hundred twenty-one thousand, forty-seven".