52265137481 has 4 divisors (see below), whose sum is σ = 52266261264. Its totient is φ = 52264013700.

The previous prime is 52265137469. The next prime is 52265137583. The reversal of 52265137481 is 18473156225.

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 52265137481 - 2³⁴ = 35085268297 is a prime.

It is a super-2 number, since 2×52265137481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52265137681) 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, 488975 + ... + 586196.

It is an arithmetic number, because the mean of its divisors is an integer number (13066565316).

Almost surely, 2^52265137481 is an apocalyptic number.

It is an amenable number.

52265137481 is a deficient number, since it is larger than the sum of its proper divisors (1123783).

52265137481 is a wasteful number, since it uses less digits than its factorization.

52265137481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123782.

The product of its digits is 403200, while the sum is 44.

The spelling of 52265137481 in words is "fifty-two billion, two hundred sixty-five million, one hundred thirty-seven thousand, four hundred eighty-one".