4159997 has 2 divisors, whose sum is σ = 4159998. Its totient is φ = 4159996.

The previous prime is 4159979. The next prime is 4160003. The reversal of 4159997 is 7999514.

Together with previous prime (4159979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3171961 + 988036 = 1781^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4159997 - 2⁸ = 4159741 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4159907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2079998 + 2079999.

It is an arithmetic number, because the mean of its divisors is an integer number (2079999).

Almost surely, 2^4159997 is an apocalyptic number.

It is an amenable number.

4159997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4159997 is an equidigital number, since it uses as much as digits as its factorization.

4159997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The square root of 4159997 is about 2039.6070700015. The cubic root of 4159997 is about 160.8289916827.

The spelling of 4159997 in words is "four million, one hundred fifty-nine thousand, nine hundred ninety-seven".