75505253 has 2 divisors, whose sum is σ = 75505254. Its totient is φ = 75505252.

The previous prime is 75505247. The next prime is 75505301. The reversal of 75505253 is 35250557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71351809 + 4153444 = 8447^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 75505253 - 2⁸ = 75504997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75505153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37752626 + 37752627.

It is an arithmetic number, because the mean of its divisors is an integer number (37752627).

Almost surely, 2^75505253 is an apocalyptic number.

It is an amenable number.

75505253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75505253 is an equidigital number, since it uses as much as digits as its factorization.

75505253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 75505253 is about 8689.3758694166. The cubic root of 75505253 is about 422.6612071125.

The spelling of 75505253 in words is "seventy-five million, five hundred five thousand, two hundred fifty-three".