3581497 has 2 divisors, whose sum is σ = 3581498. Its totient is φ = 3581496.

The previous prime is 3581467. The next prime is 3581503. The reversal of 3581497 is 7941853.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 32041 = 1884^2 + 179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3581497 is a prime.

It is a super-2 number, since 2×3581497² = 25654241522018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3581467) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1790748 + 1790749.

It is an arithmetic number, because the mean of its divisors is an integer number (1790749).

Almost surely, 2^3581497 is an apocalyptic number.

It is an amenable number.

3581497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3581497 is an equidigital number, since it uses as much as digits as its factorization.

3581497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 3581497 is about 1892.4843460383. The cubic root of 3581497 is about 152.9988608285.

The spelling of 3581497 in words is "three million, five hundred eighty-one thousand, four hundred ninety-seven".