1053087803 has 4 divisors (see below), whose sum is σ = 1053894840. Its totient is φ = 1052280768.

The previous prime is 1053087757. The next prime is 1053087823. The reversal of 1053087803 is 3087803501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053087803 is a prime.

It is a super-2 number, since 2×1053087803² = 2217987841654733618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053087823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401558 + ... + 404171.

It is an arithmetic number, because the mean of its divisors is an integer number (263473710).

Almost surely, 2^1053087803 is an apocalyptic number.

1053087803 is a deficient number, since it is larger than the sum of its proper divisors (807037).

1053087803 is an equidigital number, since it uses as much as digits as its factorization.

1053087803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807036.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1053087803 is about 32451.3143493449. The cubic root of 1053087803 is about 1017.3917092825.

The spelling of 1053087803 in words is "one billion, fifty-three million, eighty-seven thousand, eight hundred three".