75355013 has 2 divisors, whose sum is σ = 75355014. Its totient is φ = 75355012.

The previous prime is 75354997. The next prime is 75355037. The reversal of 75355013 is 31055357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 22108804 = 7297^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 75355013 - 2⁴ = 75354997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75355043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37677506 + 37677507.

It is an arithmetic number, because the mean of its divisors is an integer number (37677507).

Almost surely, 2^75355013 is an apocalyptic number.

It is an amenable number.

75355013 is a deficient number, since it is larger than the sum of its proper divisors (1).

75355013 is an equidigital number, since it uses as much as digits as its factorization.

75355013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 75355013 is about 8680.7265248941. The cubic root of 75355013 is about 422.3806845369.

The spelling of 75355013 in words is "seventy-five million, three hundred fifty-five thousand, thirteen".