46003131521 has 4 divisors (see below), whose sum is σ = 46005343044. Its totient is φ = 46000920000.

The previous prime is 46003131479. The next prime is 46003131527. The reversal of 46003131521 is 12513130064.

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 33377463025 + 12625668496 = 182695^2 + 112364^2 .

It is a cyclic number.

It is not a de Polignac number, because 46003131521 - 2¹⁰ = 46003130497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46003131527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074260 + ... + 1116261.

It is an arithmetic number, because the mean of its divisors is an integer number (11501335761).

Almost surely, 2^46003131521 is an apocalyptic number.

It is an amenable number.

46003131521 is a deficient number, since it is larger than the sum of its proper divisors (2211523).

46003131521 is a wasteful number, since it uses less digits than its factorization.

46003131521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211522.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 46003131521 its reverse (12513130064), we get a palindrome (58516261585).

The spelling of 46003131521 in words is "forty-six billion, three million, one hundred thirty-one thousand, five hundred twenty-one".