3487058521 has 4 divisors (see below), whose sum is σ = 3552852132. Its totient is φ = 3421264912.

The previous prime is 3487058507. The next prime is 3487058539. The reversal of 3487058521 is 1258507843.

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 2559246921 + 927811600 = 50589^2 + 30460^2 .

It is a cyclic number.

It is not a de Polignac number, because 3487058521 - 2⁵ = 3487058489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487058501) 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, 32896726 + ... + 32896831.

It is an arithmetic number, because the mean of its divisors is an integer number (888213033).

Almost surely, 2^3487058521 is an apocalyptic number.

It is an amenable number.

3487058521 is a deficient number, since it is larger than the sum of its proper divisors (65793611).

3487058521 is an equidigital number, since it uses as much as digits as its factorization.

3487058521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65793610.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 3487058521 is about 59051.3210775170. The cubic root of 3487058521 is about 1516.4208436646.

The spelling of 3487058521 in words is "three billion, four hundred eighty-seven million, fifty-eight thousand, five hundred twenty-one".