1057317250 has 32 divisors (see below), whose sum is σ = 2159239680. Its totient is φ = 384478000.

The previous prime is 1057317223. The next prime is 1057317257. The reversal of 1057317250 is 527137501.

It is a super-2 number, since 2×1057317250² = 2235839534295125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057317257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189490 + ... + 194989.

It is an arithmetic number, because the mean of its divisors is an integer number (67476240).

Almost surely, 2^1057317250 is an apocalyptic number.

1057317250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057317250 is an abundant number, since it is smaller than the sum of its proper divisors (1101922430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057317250 is a wasteful number, since it uses less digits than its factorization.

1057317250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384507 (or 384497 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1057317250 is about 32516.4150853073. The cubic root of 1057317250 is about 1018.7519176448.

The spelling of 1057317250 in words is "one billion, fifty-seven million, three hundred seventeen thousand, two hundred fifty".