3573491 has 2 divisors, whose sum is σ = 3573492. Its totient is φ = 3573490.

The previous prime is 3573473. The next prime is 3573499. The reversal of 3573491 is 1943753.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3573491 - 2¹⁰ = 3572467 is a prime.

It is not a weakly prime, because it can be changed into another prime (3573499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786745 + 1786746.

It is an arithmetic number, because the mean of its divisors is an integer number (1786746).

Almost surely, 2^3573491 is an apocalyptic number.

3573491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3573491 is an equidigital number, since it uses as much as digits as its factorization.

3573491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 3573491 is about 1890.3679536006. The cubic root of 3573491 is about 152.8847723411.

The spelling of 3573491 in words is "three million, five hundred seventy-three thousand, four hundred ninety-one".