1310497 has 4 divisors (see below), whose sum is σ = 1314196. Its totient is φ = 1306800.

The previous prime is 1310489. The next prime is 1310509. The reversal of 1310497 is 7940131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7940131 = 283 ⋅28057.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 746496 = 751^2 + 864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310497 - 2³ = 1310489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310417) 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 in 3 ways as a sum of consecutive naturals, for example, 1254 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (328549).

2^1310497 is an apocalyptic number.

It is an amenable number.

1310497 is a deficient number, since it is larger than the sum of its proper divisors (3699).

1310497 is an equidigital number, since it uses as much as digits as its factorization.

1310497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1310497 is about 1144.7694090951. The cubic root of 1310497 is about 109.4322537796.

The spelling of 1310497 in words is "one million, three hundred ten thousand, four hundred ninety-seven".