1057505326 has 16 divisors (see below), whose sum is σ = 1606516704. Its totient is φ = 522031104.

The previous prime is 1057505291. The next prime is 1057505327. The reversal of 1057505326 is 6235057501.

It is a super-2 number, since 2×1057505326² = 2236635029036732552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057505291 and 1057505300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057505327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61806 + ... + 77038.

It is an arithmetic number, because the mean of its divisors is an integer number (100407294).

Almost surely, 2^1057505326 is an apocalyptic number.

1057505326 is a deficient number, since it is larger than the sum of its proper divisors (549011378).

1057505326 is a wasteful number, since it uses less digits than its factorization.

1057505326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 1057505326 is about 32519.3069729353. The cubic root of 1057505326 is about 1018.8123193914.

The spelling of 1057505326 in words is "one billion, fifty-seven million, five hundred five thousand, three hundred twenty-six".