1317425 has 6 divisors (see below), whose sum is σ = 1633638. Its totient is φ = 1053920.

The previous prime is 1317419. The next prime is 1317427. The reversal of 1317425 is 5247131.

It can be written as a sum of positive squares in 3 ways, for example, as 388129 + 929296 = 623^2 + 964^2 .

It is not a de Polignac number, because 1317425 - 2⁴ = 1317409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1317425.

It is not an unprimeable number, because it can be changed into a prime (1317427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26324 + ... + 26373.

It is an arithmetic number, because the mean of its divisors is an integer number (272273).

2^1317425 is an apocalyptic number.

It is an amenable number.

1317425 is a deficient number, since it is larger than the sum of its proper divisors (316213).

1317425 is an equidigital number, since it uses as much as digits as its factorization.

1317425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707 (or 52702 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1317425 is about 1147.7913573468. The cubic root of 1317425 is about 109.6247544295.

The spelling of 1317425 in words is "one million, three hundred seventeen thousand, four hundred twenty-five".