1057465765 has 8 divisors (see below), whose sum is σ = 1269201528. Its totient is φ = 845810880.

The previous prime is 1057465753. The next prime is 1057465771. The reversal of 1057465765 is 5675647501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113870241 + 943595524 = 10671^2 + 30718^2 .

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

It is not a de Polignac number, because 1057465765 - 2¹¹ = 1057463717 is a prime.

It is a super-2 number, since 2×1057465765² = 2236467688294070450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 13735 + ... + 47995.

It is an arithmetic number, because the mean of its divisors is an integer number (158650191).

Almost surely, 2^1057465765 is an apocalyptic number.

It is an amenable number.

1057465765 is a deficient number, since it is larger than the sum of its proper divisors (211735763).

1057465765 is an equidigital number, since it uses as much as digits as its factorization.

1057465765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 1057465765 is about 32518.6986978261. The cubic root of 1057465765 is about 1018.7996147314.

The spelling of 1057465765 in words is "one billion, fifty-seven million, four hundred sixty-five thousand, seven hundred sixty-five".