1053217747 has 4 divisors (see below), whose sum is σ = 1108650280. Its totient is φ = 997785216.

The previous prime is 1053217741. The next prime is 1053217787. The reversal of 1053217747 is 7477123501.

It is a happy number.

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-1053217747 is a prime.

It is a super-2 number, since 2×1053217747² = 2218535245191512018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053217741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27716238 + ... + 27716275.

It is an arithmetic number, because the mean of its divisors is an integer number (277162570).

Almost surely, 2^1053217747 is an apocalyptic number.

1053217747 is a deficient number, since it is larger than the sum of its proper divisors (55432533).

1053217747 is an equidigital number, since it uses as much as digits as its factorization.

1053217747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55432532.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 1053217747 is about 32453.3164252900. The cubic root of 1053217747 is about 1017.4335540082.

The spelling of 1053217747 in words is "one billion, fifty-three million, two hundred seventeen thousand, seven hundred forty-seven".