75240853 has 2 divisors, whose sum is σ = 75240854. Its totient is φ = 75240852.

The previous prime is 75240829. The next prime is 75240887. The reversal of 75240853 is 35804257.

It is a happy number.

It is an a-pointer prime, because the next prime (75240887) can be obtained adding 75240853 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 12229009 = 7938^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 75240853 - 2¹⁷ = 75109781 is a prime.

It is a super-2 number, since 2×75240853² = 11322371920335218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75240353) 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, 37620426 + 37620427.

It is an arithmetic number, because the mean of its divisors is an integer number (37620427).

Almost surely, 2^75240853 is an apocalyptic number.

It is an amenable number.

75240853 is a deficient number, since it is larger than the sum of its proper divisors (1).

75240853 is an equidigital number, since it uses as much as digits as its factorization.

75240853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 75240853 is about 8674.1485461110. The cubic root of 75240853 is about 422.1672798032.

The spelling of 75240853 in words is "seventy-five million, two hundred forty thousand, eight hundred fifty-three".