1057435250 has 16 divisors (see below), whose sum is σ = 1979519256. Its totient is φ = 422974000.

The previous prime is 1057435243. The next prime is 1057435259. The reversal of 1057435250 is 525347501.

It can be written as a sum of positive squares in 4 ways, for example, as 65626201 + 991809049 = 8101^2 + 31493^2 .

It is a super-2 number, since 2×1057435250² = 2236338615885125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057435259) 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, 2114621 + ... + 2115120.

Almost surely, 2^1057435250 is an apocalyptic number.

1057435250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057435250 is a deficient number, since it is larger than the sum of its proper divisors (922084006).

1057435250 is an equidigital number, since it uses as much as digits as its factorization.

1057435250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229758 (or 4229748 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 1057435250 is about 32518.2295028496. The cubic root of 1057435250 is about 1018.7898148967.

The spelling of 1057435250 in words is "one billion, fifty-seven million, four hundred thirty-five thousand, two hundred fifty".