1057218433 has 8 divisors (see below), whose sum is σ = 1062875520. Its totient is φ = 1051577040.

The previous prime is 1057218431. The next prime is 1057218439. The reversal of 1057218433 is 3348127501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057218433 - 2¹ = 1057218431 is a prime.

It is a super-2 number, since 2×1057218433² = 2235421630149950978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057218431) 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 7 ways as a sum of consecutive naturals, for example, 146023 + ... + 153091.

It is an arithmetic number, because the mean of its divisors is an integer number (132859440).

Almost surely, 2^1057218433 is an apocalyptic number.

It is an amenable number.

1057218433 is a deficient number, since it is larger than the sum of its proper divisors (5657087).

1057218433 is an equidigital number, since it uses as much as digits as its factorization.

1057218433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1057218433 is about 32514.8955557295. The cubic root of 1057218433 is about 1018.7201790962.

The spelling of 1057218433 in words is "one billion, fifty-seven million, two hundred eighteen thousand, four hundred thirty-three".