3557497 has 2 divisors, whose sum is σ = 3557498. Its totient is φ = 3557496.

The previous prime is 3557483. The next prime is 3557501. The reversal of 3557497 is 7947553.

3557497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 1628176 = 1389^2 + 1276^2 .

It is an emirp because it is prime and its reverse (7947553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3557497 - 2¹¹ = 3555449 is a prime.

3557497 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3557797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778748 + 1778749.

It is an arithmetic number, because the mean of its divisors is an integer number (1778749).

Almost surely, 2^3557497 is an apocalyptic number.

It is an amenable number.

3557497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3557497 is an equidigital number, since it uses as much as digits as its factorization.

3557497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 40.

The square root of 3557497 is about 1886.1328161081. The cubic root of 3557497 is about 152.6563406079.

The spelling of 3557497 in words is "three million, five hundred fifty-seven thousand, four hundred ninety-seven".