75532125253 has 4 divisors (see below), whose sum is σ = 81342288748. Its totient is φ = 69721961760.

The previous prime is 75532125241. The next prime is 75532125257. The reversal of 75532125253 is 35252123557.

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 18605505604 + 56926619649 = 136402^2 + 238593^2 .

It is a cyclic number.

It is not a de Polignac number, because 75532125253 - 2⁹ = 75532124741 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 (75532125257) 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 in 3 ways as a sum of consecutive naturals, for example, 2905081728 + ... + 2905081753.

It is an arithmetic number, because the mean of its divisors is an integer number (20335572187).

Almost surely, 2^75532125253 is an apocalyptic number.

It is an amenable number.

75532125253 is a deficient number, since it is larger than the sum of its proper divisors (5810163495).

75532125253 is a wasteful number, since it uses less digits than its factorization.

75532125253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810163494.

The product of its digits is 315000, while the sum is 40.

The spelling of 75532125253 in words is "seventy-five billion, five hundred thirty-two million, one hundred twenty-five thousand, two hundred fifty-three".