1319553 has 6 divisors (see below), whose sum is σ = 1906034. Its totient is φ = 879696.

The previous prime is 1319543. The next prime is 1319561. The reversal of 1319553 is 3559131.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 178929 = 1068^2 + 423^2 .

It is not a de Polignac number, because 1319553 - 2¹⁶ = 1254017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1319543) 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, 73300 + ... + 73317.

2^1319553 is an apocalyptic number.

It is an amenable number.

1319553 is a deficient number, since it is larger than the sum of its proper divisors (586481).

1319553 is a wasteful number, since it uses less digits than its factorization.

1319553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146623 (or 146620 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

The square root of 1319553 is about 1148.7179810554. The cubic root of 1319553 is about 109.6837472844.

The spelling of 1319553 in words is "one million, three hundred nineteen thousand, five hundred fifty-three".