1405497 has 4 divisors (see below), whose sum is σ = 1874000. Its totient is φ = 936996.

The previous prime is 1405493. The next prime is 1405511. The reversal of 1405497 is 7945041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1405497 - 2² = 1405493 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234247 + ... + 234252.

It is an arithmetic number, because the mean of its divisors is an integer number (468500).

2^1405497 is an apocalyptic number.

It is an amenable number.

1405497 is a deficient number, since it is larger than the sum of its proper divisors (468503).

1405497 is an equidigital number, since it uses as much as digits as its factorization.

1405497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468502.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1405497 is about 1185.5365873730. The cubic root of 1405497 is about 112.0151180698.

The spelling of 1405497 in words is "one million, four hundred five thousand, four hundred ninety-seven".