3521747 has 2 divisors, whose sum is σ = 3521748. Its totient is φ = 3521746.

The previous prime is 3521729. The next prime is 3521753. The reversal of 3521747 is 7471253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3521747 - 2¹⁴ = 3505363 is a prime.

It is not a weakly prime, because it can be changed into another prime (3521767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760873 + 1760874.

It is an arithmetic number, because the mean of its divisors is an integer number (1760874).

Almost surely, 2^3521747 is an apocalyptic number.

3521747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521747 is an equidigital number, since it uses as much as digits as its factorization.

3521747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 29.

The square root of 3521747 is about 1876.6318232408. The cubic root of 3521747 is about 152.1432600181.

The spelling of 3521747 in words is "three million, five hundred twenty-one thousand, seven hundred forty-seven".