73204253 has 2 divisors, whose sum is σ = 73204254. Its totient is φ = 73204252.

The previous prime is 73204249. The next prime is 73204277. The reversal of 73204253 is 35240237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39413284 + 33790969 = 6278^2 + 5813^2 .

It is an emirp because it is prime and its reverse (35240237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73204253 - 2² = 73204249 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73204213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36602126 + 36602127.

It is an arithmetic number, because the mean of its divisors is an integer number (36602127).

Almost surely, 2^73204253 is an apocalyptic number.

It is an amenable number.

73204253 is a deficient number, since it is larger than the sum of its proper divisors (1).

73204253 is an equidigital number, since it uses as much as digits as its factorization.

73204253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 73204253 is about 8555.9483986289. The cubic root of 73204253 is about 418.3233477861.

The spelling of 73204253 in words is "seventy-three million, two hundred four thousand, two hundred fifty-three".