75204253 has 2 divisors, whose sum is σ = 75204254. Its totient is φ = 75204252.

The previous prime is 75204247. The next prime is 75204257. The reversal of 75204253 is 35240257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64432729 + 10771524 = 8027^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 75204253 - 2⁹ = 75203741 is a prime.

It is equal to p_4405582 and since 75204253 and 4405582 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 (75204257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37602126 + 37602127.

It is an arithmetic number, because the mean of its divisors is an integer number (37602127).

Almost surely, 2^75204253 is an apocalyptic number.

It is an amenable number.

75204253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75204253 is an equidigital number, since it uses as much as digits as its factorization.

75204253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 75204253 is about 8672.0385723312. The cubic root of 75204253 is about 422.0988159839.

It can be divided in two parts, 75204 and 253, that added together give a palindrome (75457).

The spelling of 75204253 in words is "seventy-five million, two hundred four thousand, two hundred fifty-three".