1030643053 has 4 divisors (see below), whose sum is σ = 1124337888. Its totient is φ = 936948220.

The previous prime is 1030643039. The next prime is 1030643057. The reversal of 1030643053 is 3503460301.

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.

It is a cyclic number.

It is not a de Polignac number, because 1030643053 - 2⁵ = 1030643021 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 (1030643057) 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, 46847401 + ... + 46847422.

It is an arithmetic number, because the mean of its divisors is an integer number (281084472).

Almost surely, 2^1030643053 is an apocalyptic number.

It is an amenable number.

1030643053 is a deficient number, since it is larger than the sum of its proper divisors (93694835).

1030643053 is an equidigital number, since it uses as much as digits as its factorization.

1030643053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93694834.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1030643053 is about 32103.6299037975. The cubic root of 1030643053 is about 1010.1117587014. Note that the first 3 decimals are identical.

The spelling of 1030643053 in words is "one billion, thirty million, six hundred forty-three thousand, fifty-three".