3507997 has 2 divisors, whose sum is σ = 3507998. Its totient is φ = 3507996.

The previous prime is 3507971. The next prime is 3508003. The reversal of 3507997 is 7997053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3426201 + 81796 = 1851^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 3507997 - 2¹¹ = 3505949 is a prime.

3507997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3507197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753998 + 1753999.

It is an arithmetic number, because the mean of its divisors is an integer number (1753999).

Almost surely, 2^3507997 is an apocalyptic number.

It is an amenable number.

3507997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3507997 is an equidigital number, since it uses as much as digits as its factorization.

3507997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 3507997 is about 1872.9647620818. The cubic root of 3507997 is about 151.9449968347.

The spelling of 3507997 in words is "three million, five hundred seven thousand, nine hundred ninety-seven".