1053310861 has 4 divisors (see below), whose sum is σ = 1053404352. Its totient is φ = 1053217372.

The previous prime is 1053310859. The next prime is 1053310873. The reversal of 1053310861 is 1680133501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1053310861 - 2¹ = 1053310859 is a prime.

It is a super-2 number, since 2×1053310861² = 2218927539801122642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053310801) 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, 27091 + ... + 53296.

It is an arithmetic number, because the mean of its divisors is an integer number (263351088).

Almost surely, 2^1053310861 is an apocalyptic number.

It is an amenable number.

1053310861 is a deficient number, since it is larger than the sum of its proper divisors (93491).

1053310861 is an equidigital number, since it uses as much as digits as its factorization.

1053310861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93490.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1053310861 is about 32454.7509773223. The cubic root of 1053310861 is about 1017.4635365756.

The spelling of 1053310861 in words is "one billion, fifty-three million, three hundred ten thousand, eight hundred sixty-one".