5403997 has 2 divisors, whose sum is σ = 5403998. Its totient is φ = 5403996.

The previous prime is 5403989. The next prime is 5404031. The reversal of 5403997 is 7993045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3171961 + 2232036 = 1781^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403997 - 2³ = 5403989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5403917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701998 + 2701999.

It is an arithmetic number, because the mean of its divisors is an integer number (2701999).

Almost surely, 2^5403997 is an apocalyptic number.

It is an amenable number.

5403997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5403997 is an equidigital number, since it uses as much as digits as its factorization.

5403997 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5403997 is about 2324.6498661089. The cubic root of 5403997 is about 175.4843399094.

It can be divided in two parts, 5403 and 997, that added together give a square (6400 = 80²).

The spelling of 5403997 in words is "five million, four hundred three thousand, nine hundred ninety-seven".