3504997 has 2 divisors, whose sum is σ = 3504998. Its totient is φ = 3504996.

The previous prime is 3504979. The next prime is 3505031. The reversal of 3504997 is 7994053.

Together with previous prime (3504979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3500641 + 4356 = 1871^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 3504997 - 2⁷ = 3504869 is a prime.

3504997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3504497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752498 + 1752499.

It is an arithmetic number, because the mean of its divisors is an integer number (1752499).

Almost surely, 2^3504997 is an apocalyptic number.

It is an amenable number.

3504997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3504997 is an equidigital number, since it uses as much as digits as its factorization.

3504997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3504997 is about 1872.1637214731. The cubic root of 3504997 is about 151.9016705915.

The spelling of 3504997 in words is "three million, five hundred four thousand, nine hundred ninety-seven".