75045653 has 2 divisors, whose sum is σ = 75045654. Its totient is φ = 75045652.

The previous prime is 75045643. The next prime is 75045661. The reversal of 75045653 is 35654057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 8427409 = 8162^2 + 2903^2 .

It is an emirp because it is prime and its reverse (35654057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75045653 - 2¹⁶ = 74980117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75045613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37522826 + 37522827.

It is an arithmetic number, because the mean of its divisors is an integer number (37522827).

Almost surely, 2^75045653 is an apocalyptic number.

It is an amenable number.

75045653 is a deficient number, since it is larger than the sum of its proper divisors (1).

75045653 is an equidigital number, since it uses as much as digits as its factorization.

75045653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 75045653 is about 8662.8894140466. The cubic root of 75045653 is about 421.8018824760.

The spelling of 75045653 in words is "seventy-five million, forty-five thousand, six hundred fifty-three".