3505979 has 2 divisors, whose sum is σ = 3505980. Its totient is φ = 3505978.

The previous prime is 3505973. The next prime is 3505981. The reversal of 3505979 is 9795053.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3505979 - 2⁴ = 3505963 is a prime.

Together with 3505981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3505973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752989 + 1752990.

It is an arithmetic number, because the mean of its divisors is an integer number (1752990).

Almost surely, 2^3505979 is an apocalyptic number.

3505979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3505979 is an equidigital number, since it uses as much as digits as its factorization.

3505979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 3505979 is about 1872.4259664937. The cubic root of 3505979 is about 151.9158554359.

The spelling of 3505979 in words is "three million, five hundred five thousand, nine hundred seventy-nine".