1057485 has 64 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 430080.

The previous prime is 1057477. The next prime is 1057487. The reversal of 1057485 is 5847501.

It is not a de Polignac number, because 1057485 - 2³ = 1057477 is a prime.

It is a super-2 number, since 2×1057485² = 2236549050450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36451 + ... + 36479.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2^1057485 is an apocalyptic number.

1057485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057485 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1057485 is a wasteful number, since it uses less digits than its factorization.

1057485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 1057485 is about 1028.3408967847. The cubic root of 1057485 is about 101.8805791919.

The spelling of 1057485 in words is "one million, fifty-seven thousand, four hundred eighty-five".