1053057673 has 4 divisors (see below), whose sum is σ = 1115002260. Its totient is φ = 991113088.

The previous prime is 1053057671. The next prime is 1053057721. The reversal of 1053057673 is 3767503501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 844890489 + 208167184 = 29067^2 + 14428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053057673 - 2¹ = 1053057671 is a prime.

It is a super-2 number, since 2×1053057673² = 2217860925328349858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053057671) 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, 30972268 + ... + 30972301.

It is an arithmetic number, because the mean of its divisors is an integer number (278750565).

Almost surely, 2^1053057673 is an apocalyptic number.

It is an amenable number.

1053057673 is a deficient number, since it is larger than the sum of its proper divisors (61944587).

1053057673 is an equidigital number, since it uses as much as digits as its factorization.

1053057673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61944586.

The product of its (nonzero) digits is 66150, while the sum is 37.

The square root of 1053057673 is about 32450.8501121311. The cubic root of 1053057673 is about 1017.3820062914.

The spelling of 1053057673 in words is "one billion, fifty-three million, fifty-seven thousand, six hundred seventy-three".