4521544037 has 2 divisors, whose sum is σ = 4521544038. Its totient is φ = 4521544036.

The previous prime is 4521544021. The next prime is 4521544039. The reversal of 4521544037 is 7304451254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4320301441 + 201242596 = 65729^2 + 14186^2 .

It is a cyclic number.

It is not a de Polignac number, because 4521544037 - 2⁴ = 4521544021 is a prime.

Together with 4521544039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4521543988 and 4521544006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4521544039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260772018 + 2260772019.

It is an arithmetic number, because the mean of its divisors is an integer number (2260772019).

Almost surely, 2^4521544037 is an apocalyptic number.

It is an amenable number.

4521544037 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521544037 is an equidigital number, since it uses as much as digits as its factorization.

4521544037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 4521544037 is about 67242.4273580304. The cubic root of 4521544037 is about 1653.5941288825.

The spelling of 4521544037 in words is "four billion, five hundred twenty-one million, five hundred forty-four thousand, thirty-seven".