3537641 has 2 divisors, whose sum is σ = 3537642. Its totient is φ = 3537640.

The previous prime is 3537631. The next prime is 3537647. The reversal of 3537641 is 1467353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 1449616 = 1445^2 + 1204^2 .

It is an emirp because it is prime and its reverse (1467353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3537641 - 2¹⁴ = 3521257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3537647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768820 + 1768821.

It is an arithmetic number, because the mean of its divisors is an integer number (1768821).

Almost surely, 2^3537641 is an apocalyptic number.

It is an amenable number.

3537641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3537641 is an equidigital number, since it uses as much as digits as its factorization.

3537641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 3537641 is about 1880.8617705722. The cubic root of 3537641 is about 152.3717958613.

The spelling of 3537641 in words is "three million, five hundred thirty-seven thousand, six hundred forty-one".