3621577 has 2 divisors, whose sum is σ = 3621578. Its totient is φ = 3621576.

The previous prime is 3621559. The next prime is 3621581. The reversal of 3621577 is 7751263.

3621577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 15376 = 1899^2 + 124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3621517) 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 as a sum of consecutive naturals, namely, 1810788 + 1810789.

It is an arithmetic number, because the mean of its divisors is an integer number (1810789).

Almost surely, 2^3621577 is an apocalyptic number.

It is an amenable number.

3621577 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621577 is an equidigital number, since it uses as much as digits as its factorization.

3621577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 3621577 is about 1903.0441403183. The cubic root of 3621577 is about 153.5674741468.

The spelling of 3621577 in words is "three million, six hundred twenty-one thousand, five hundred seventy-seven".