1310553 has 8 divisors (see below), whose sum is σ = 1941600. Its totient is φ = 873684.

The previous prime is 1310549. The next prime is 1310579. The reversal of 1310553 is 3550131.

It is a happy number.

It is not a de Polignac number, because 1310553 - 2² = 1310549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24243 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (242700).

2^1310553 is an apocalyptic number.

It is an amenable number.

1310553 is a deficient number, since it is larger than the sum of its proper divisors (631047).

1310553 is an equidigital number, since it uses as much as digits as its factorization.

1310553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48548 (or 48542 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1310553 is about 1144.7938679081. The cubic root of 1310553 is about 109.4338125061.

Adding to 1310553 its reverse (3550131), we get a palindrome (4860684).

The spelling of 1310553 in words is "one million, three hundred ten thousand, five hundred fifty-three".