3537973 has 2 divisors, whose sum is σ = 3537974. Its totient is φ = 3537972.

The previous prime is 3537959. The next prime is 3537979. The reversal of 3537973 is 3797353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3359889 + 178084 = 1833^2 + 422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3537973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3537979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768986 + 1768987.

It is an arithmetic number, because the mean of its divisors is an integer number (1768987).

Almost surely, 2^3537973 is an apocalyptic number.

It is an amenable number.

3537973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3537973 is an equidigital number, since it uses as much as digits as its factorization.

3537973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 37.

The square root of 3537973 is about 1880.9500259178. The cubic root of 3537973 is about 152.3765623007.

The spelling of 3537973 in words is "three million, five hundred thirty-seven thousand, nine hundred seventy-three".