1053530603 has 4 divisors (see below), whose sum is σ = 1053647520. Its totient is φ = 1053413688.

The previous prime is 1053530581. The next prime is 1053530641. The reversal of 1053530603 is 3060353501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053530603 - 2⁸ = 1053530347 is a prime.

It is a super-2 number, since 2×1053530603² = 2219853462915087218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053530693) 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, 43700 + ... + 63377.

It is an arithmetic number, because the mean of its divisors is an integer number (263411880).

Almost surely, 2^1053530603 is an apocalyptic number.

1053530603 is a deficient number, since it is larger than the sum of its proper divisors (116917).

1053530603 is an equidigital number, since it uses as much as digits as its factorization.

1053530603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116916.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1053530603 is about 32458.1361602912. The cubic root of 1053530603 is about 1017.5342861630.

The spelling of 1053530603 in words is "one billion, fifty-three million, five hundred thirty thousand, six hundred three".