1630541103 has 4 divisors (see below), whose sum is σ = 2174054808. Its totient is φ = 1087027400.

The previous prime is 1630541083. The next prime is 1630541117. The reversal of 1630541103 is 3011450361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011450361 = 3 ⋅1003816787.

It is a cyclic number.

It is not a de Polignac number, because 1630541103 - 2¹⁴ = 1630524719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630541173) 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 3 ways as a sum of consecutive naturals, for example, 271756848 + ... + 271756853.

It is an arithmetic number, because the mean of its divisors is an integer number (543513702).

Almost surely, 2^1630541103 is an apocalyptic number.

1630541103 is a deficient number, since it is larger than the sum of its proper divisors (543513705).

1630541103 is an equidigital number, since it uses as much as digits as its factorization.

1630541103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543513704.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1630541103 is about 40379.9591753137. The cubic root of 1630541103 is about 1177.0021342665.

Adding to 1630541103 its reverse (3011450361), we get a palindrome (4641991464).

The spelling of 1630541103 in words is "one billion, six hundred thirty million, five hundred forty-one thousand, one hundred three".