52404213 has 16 divisors (see below), whose sum is σ = 71746560. Its totient is φ = 34010736.

The previous prime is 52404203. The next prime is 52404239. The reversal of 52404213 is 31240425.

It is not a de Polignac number, because 52404213 - 2⁴ = 52404197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52404213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17556 + ... + 20322.

It is an arithmetic number, because the mean of its divisors is an integer number (4484160).

Almost surely, 2^52404213 is an apocalyptic number.

It is an amenable number.

52404213 is a deficient number, since it is larger than the sum of its proper divisors (19342347).

52404213 is a wasteful number, since it uses less digits than its factorization.

52404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52404213 is about 7239.0754243895. The cubic root of 52404213 is about 374.2157548131.

Adding to 52404213 its reverse (31240425), we get a palindrome (83644638).

It can be divided in two parts, 5240 and 4213, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 52404213 in words is "fifty-two million, four hundred four thousand, two hundred thirteen".