1053642303 has 64 divisors (see below), whose sum is σ = 1940152320. Its totient is φ = 551287296.

The previous prime is 1053642299. The next prime is 1053642307. The reversal of 1053642303 is 3032463501.

It is a happy number.

1053642303 is a `hidden beast` number, since 10 + 5 + 3 + 642 + 3 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1053642299) and next prime (1053642307).

It is not a de Polignac number, because 1053642303 - 2² = 1053642299 is a prime.

It is a super-2 number, since 2×1053642303² = 2220324205342287618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053642307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114450 + ... + 123312.

It is an arithmetic number, because the mean of its divisors is an integer number (30314880).

Almost surely, 2^1053642303 is an apocalyptic number.

1053642303 is a deficient number, since it is larger than the sum of its proper divisors (886510017).

1053642303 is a wasteful number, since it uses less digits than its factorization.

1053642303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933 (or 8927 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1053642303 is about 32459.8567926601. The cubic root of 1053642303 is about 1017.5702460623.

The spelling of 1053642303 in words is "one billion, fifty-three million, six hundred forty-two thousand, three hundred three".