75690253 has 2 divisors, whose sum is σ = 75690254. Its totient is φ = 75690252.

The previous prime is 75690233. The next prime is 75690259. The reversal of 75690253 is 35209657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66797929 + 8892324 = 8173^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 75690253 - 2⁹ = 75689741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75690259) 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, 37845126 + 37845127.

It is an arithmetic number, because the mean of its divisors is an integer number (37845127).

Almost surely, 2^75690253 is an apocalyptic number.

It is an amenable number.

75690253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75690253 is an equidigital number, since it uses as much as digits as its factorization.

75690253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 75690253 is about 8700.0145402177. The cubic root of 75690253 is about 423.0061215202.

The spelling of 75690253 in words is "seventy-five million, six hundred ninety thousand, two hundred fifty-three".