52213429 has 2 divisors, whose sum is σ = 52213430. Its totient is φ = 52213428.

The previous prime is 52213423. The next prime is 52213439. The reversal of 52213429 is 92431225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42120100 + 10093329 = 6490^2 + 3177^2 .

It is a cyclic number.

It is not a de Polignac number, because 52213429 - 2⁵ = 52213397 is a prime.

It is equal to p_3125827 and since 52213429 and 3125827 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 52213397 and 52213406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52213423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26106714 + 26106715.

It is an arithmetic number, because the mean of its divisors is an integer number (26106715).

Almost surely, 2^52213429 is an apocalyptic number.

It is an amenable number.

52213429 is a deficient number, since it is larger than the sum of its proper divisors (1).

52213429 is an equidigital number, since it uses as much as digits as its factorization.

52213429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 52213429 is about 7225.8860356360. The cubic root of 52213429 is about 373.7610763935.

The spelling of 52213429 in words is "fifty-two million, two hundred thirteen thousand, four hundred twenty-nine".