3531654521 has 2 divisors, whose sum is σ = 3531654522. Its totient is φ = 3531654520.

The previous prime is 3531654491. The next prime is 3531654541. The reversal of 3531654521 is 1254561353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3029401600 + 502252921 = 55040^2 + 22411^2 .

It is an emirp because it is prime and its reverse (1254561353) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3531654521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3531654541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765827260 + 1765827261.

It is an arithmetic number, because the mean of its divisors is an integer number (1765827261).

Almost surely, 2^3531654521 is an apocalyptic number.

It is an amenable number.

3531654521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531654521 is an equidigital number, since it uses as much as digits as its factorization.

3531654521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 3531654521 is about 59427.7251878279. The cubic root of 3531654521 is about 1522.8579829283.

The spelling of 3531654521 in words is "three billion, five hundred thirty-one million, six hundred fifty-four thousand, five hundred twenty-one".