3537949 has 2 divisors, whose sum is σ = 3537950. Its totient is φ = 3537948.

The previous prime is 3537943. The next prime is 3537953. The reversal of 3537949 is 9497353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2913849 + 624100 = 1707^2 + 790^2 .

It is an emirp because it is prime and its reverse (9497353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3537949 - 2¹⁵ = 3505181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3537943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768974 + 1768975.

It is an arithmetic number, because the mean of its divisors is an integer number (1768975).

Almost surely, 2^3537949 is an apocalyptic number.

It is an amenable number.

3537949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3537949 is an equidigital number, since it uses as much as digits as its factorization.

3537949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 3537949 is about 1880.9436461521. The cubic root of 3537949 is about 152.3762177488.

The spelling of 3537949 in words is "three million, five hundred thirty-seven thousand, nine hundred forty-nine".