3521977 has 2 divisors, whose sum is σ = 3521978. Its totient is φ = 3521976.

The previous prime is 3521953. The next prime is 3522007. The reversal of 3521977 is 7791253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3519376 + 2601 = 1876^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 3521977 - 2¹⁵ = 3489209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3521927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760988 + 1760989.

It is an arithmetic number, because the mean of its divisors is an integer number (1760989).

Almost surely, 2^3521977 is an apocalyptic number.

It is an amenable number.

3521977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521977 is an equidigital number, since it uses as much as digits as its factorization.

3521977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 3521977 is about 1876.6931022413. The cubic root of 3521977 is about 152.1465720285.

The spelling of 3521977 in words is "three million, five hundred twenty-one thousand, nine hundred seventy-seven".