75484253 has 4 divisors (see below), whose sum is σ = 81290748. Its totient is φ = 69677760.

The previous prime is 75484249. The next prime is 75484259. The reversal of 75484253 is 35248457.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20457529 + 55026724 = 4523^2 + 7418^2 .

It is a cyclic number.

It is not a de Polignac number, because 75484253 - 2² = 75484249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75484259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903228 + ... + 2903253.

It is an arithmetic number, because the mean of its divisors is an integer number (20322687).

Almost surely, 2^75484253 is an apocalyptic number.

It is an amenable number.

75484253 is a deficient number, since it is larger than the sum of its proper divisors (5806495).

75484253 is a wasteful number, since it uses less digits than its factorization.

75484253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806494.

The product of its digits is 134400, while the sum is 38.

The square root of 75484253 is about 8688.1674132121. The cubic root of 75484253 is about 422.6220190737.

The spelling of 75484253 in words is "seventy-five million, four hundred eighty-four thousand, two hundred fifty-three".