1405097 has 2 divisors, whose sum is σ = 1405098. Its totient is φ = 1405096.

The previous prime is 1405087. The next prime is 1405099. The reversal of 1405097 is 7905041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 33856 = 1171^2 + 184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405097 is a prime.

Together with 1405099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1405099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702548 + 702549.

It is an arithmetic number, because the mean of its divisors is an integer number (702549).

2^1405097 is an apocalyptic number.

It is an amenable number.

1405097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405097 is an equidigital number, since it uses as much as digits as its factorization.

1405097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1405097 is about 1185.3678753872. The cubic root of 1405097 is about 112.0044906788.

The spelling of 1405097 in words is "one million, four hundred five thousand, ninety-seven".