1053057073 has 6 divisors (see below), whose sum is σ = 1088123442. Its totient is φ = 1019086560.

The previous prime is 1053057017. The next prime is 1053057107. The reversal of 1053057073 is 3707503501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 993951729 + 59105344 = 31527^2 + 7688^2 .

It is not a de Polignac number, because 1053057073 - 2⁹ = 1053056561 is a prime.

It is a super-2 number, since 2×1053057073² = 2217858397990654658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053057373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546936 + ... + 548857.

It is an arithmetic number, because the mean of its divisors is an integer number (181353907).

Almost surely, 2^1053057073 is an apocalyptic number.

It is an amenable number.

1053057073 is a deficient number, since it is larger than the sum of its proper divisors (35066369).

1053057073 is an equidigital number, since it uses as much as digits as its factorization.

1053057073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095855 (or 1095824 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 1053057073 is about 32450.8408673797. The cubic root of 1053057073 is about 1017.3818130670.

The spelling of 1053057073 in words is "one billion, fifty-three million, fifty-seven thousand, seventy-three".