3651497 has 2 divisors, whose sum is σ = 3651498. Its totient is φ = 3651496.

The previous prime is 3651491. The next prime is 3651539. The reversal of 3651497 is 7941563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 609961 = 1744^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651497 - 2¹⁴ = 3635113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3651491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825748 + 1825749.

It is an arithmetic number, because the mean of its divisors is an integer number (1825749).

Almost surely, 2^3651497 is an apocalyptic number.

It is an amenable number.

3651497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651497 is an equidigital number, since it uses as much as digits as its factorization.

3651497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 3651497 is about 1910.8890600974. The cubic root of 3651497 is about 153.9892189001.

The spelling of 3651497 in words is "three million, six hundred fifty-one thousand, four hundred ninety-seven".