3523649 has 2 divisors, whose sum is σ = 3523650. Its totient is φ = 3523648.

The previous prime is 3523627. The next prime is 3523651. The reversal of 3523649 is 9463253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3489424 + 34225 = 1868^2 + 185^2 .

It is an emirp because it is prime and its reverse (9463253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3523649 - 2¹² = 3519553 is a prime.

It is a super-2 number, since 2×3523649² = 24832204550402, which contains 22 as substring.

Together with 3523651, 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 (3528649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761824 + 1761825.

It is an arithmetic number, because the mean of its divisors is an integer number (1761825).

Almost surely, 2^3523649 is an apocalyptic number.

It is an amenable number.

3523649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3523649 is an equidigital number, since it uses as much as digits as its factorization.

3523649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 3523649 is about 1877.1385138023. The cubic root of 3523649 is about 152.1706445710.

The spelling of 3523649 in words is "three million, five hundred twenty-three thousand, six hundred forty-nine".