73525052537 has 4 divisors (see below), whose sum is σ = 73602693456. Its totient is φ = 73447411620.

The previous prime is 73525052521. The next prime is 73525052563.

73525052537 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73525052537 - 2⁴ = 73525052521 is a prime.

It is a super-2 number, since 2×73525052537² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73525052567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38819039 + ... + 38820932.

It is an arithmetic number, because the mean of its divisors is an integer number (18400673364).

Almost surely, 2^73525052537 is an apocalyptic number.

It is an amenable number.

73525052537 is a deficient number, since it is larger than the sum of its proper divisors (77640919).

73525052537 is an equidigital number, since it uses as much as digits as its factorization.

73525052537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77640918.

The product of its (nonzero) digits is 1102500, while the sum is 44.

It can be divided in two parts, 735250 and 52537, that added together give a palindrome (787787).

The spelling of 73525052537 in words is "seventy-three billion, five hundred twenty-five million, fifty-two thousand, five hundred thirty-seven".