1057306441 has 4 divisors (see below), whose sum is σ = 1062317584. Its totient is φ = 1052295300.

The previous prime is 1057306427. The next prime is 1057306451. The reversal of 1057306441 is 1446037501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1446037501 = 31 ⋅46646371.

It is a cyclic number.

It is not a de Polignac number, because 1057306441 - 2¹⁷ = 1057175369 is a prime.

It is a super-2 number, since 2×1057306441² = 2235793820360172962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057306451) 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, 2505255 + ... + 2505676.

It is an arithmetic number, because the mean of its divisors is an integer number (265579396).

Almost surely, 2^1057306441 is an apocalyptic number.

It is an amenable number.

1057306441 is a deficient number, since it is larger than the sum of its proper divisors (5011143).

1057306441 is an equidigital number, since it uses as much as digits as its factorization.

1057306441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011142.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1057306441 is about 32516.2488765233. The cubic root of 1057306441 is about 1018.7484460513.

The spelling of 1057306441 in words is "one billion, fifty-seven million, three hundred six thousand, four hundred forty-one".