1057503 has 16 divisors (see below), whose sum is σ = 1483776. Its totient is φ = 669120.

The previous prime is 1057493. The next prime is 1057531. The reversal of 1057503 is 3057501.

It is a happy number.

It is not a de Polignac number, because 1057503 - 2⁴ = 1057487 is a prime.

It is a super-2 number, since 2×1057503² = 2236625190018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7651 + ... + 7787.

It is an arithmetic number, because the mean of its divisors is an integer number (92736).

2^1057503 is an apocalyptic number.

1057503 is a deficient number, since it is larger than the sum of its proper divisors (426273).

1057503 is a wasteful number, since it uses less digits than its factorization.

1057503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 1057503 is about 1028.3496487090. The cubic root of 1057503 is about 101.8811572426.

The spelling of 1057503 in words is "one million, fifty-seven thousand, five hundred three".