1298053573 has 4 divisors (see below), whose sum is σ = 1333136140. Its totient is φ = 1262971008.

The previous prime is 1298053529. The next prime is 1298053577. The reversal of 1298053573 is 3753508921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3753508921 = 1297 ⋅2893993.

It can be written as a sum of positive squares in 2 ways, for example, as 776068164 + 521985409 = 27858^2 + 22847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298053573 - 2¹³ = 1298045381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298053577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17541228 + ... + 17541301.

It is an arithmetic number, because the mean of its divisors is an integer number (333284035).

Almost surely, 2^1298053573 is an apocalyptic number.

It is an amenable number.

1298053573 is a deficient number, since it is larger than the sum of its proper divisors (35082567).

1298053573 is an equidigital number, since it uses as much as digits as its factorization.

1298053573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35082566.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1298053573 is about 36028.5105576126. The cubic root of 1298053573 is about 1090.8479144278.

The spelling of 1298053573 in words is "one billion, two hundred ninety-eight million, fifty-three thousand, five hundred seventy-three".