4527061321 has 4 divisors (see below), whose sum is σ = 4527382932. Its totient is φ = 4526739712.

The previous prime is 4527061309. The next prime is 4527061349. The reversal of 4527061321 is 1231607254.

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 752679225 + 3774382096 = 27435^2 + 61436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4527061321 - 2¹⁹ = 4526537033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4527061421) 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, 138676 + ... + 168181.

It is an arithmetic number, because the mean of its divisors is an integer number (1131845733).

Almost surely, 2^4527061321 is an apocalyptic number.

It is an amenable number.

4527061321 is a deficient number, since it is larger than the sum of its proper divisors (321611).

4527061321 is a wasteful number, since it uses less digits than its factorization.

4527061321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321610.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4527061321 is about 67283.4401691828. The cubic root of 4527061321 is about 1654.2664390516.

Adding to 4527061321 its reverse (1231607254), we get a palindrome (5758668575).

The spelling of 4527061321 in words is "four billion, five hundred twenty-seven million, sixty-one thousand, three hundred twenty-one".