1591053 has 16 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 1020800.

The previous prime is 1591033. The next prime is 1591097. The reversal of 1591053 is 3501951.

It is a cyclic number.

It is not a de Polignac number, because 1591053 - 2⁵ = 1591021 is a prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591033) 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, 15703 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (137700).

2^1591053 is an apocalyptic number.

It is an amenable number.

1591053 is a deficient number, since it is larger than the sum of its proper divisors (612147).

1591053 is a wasteful number, since it uses less digits than its factorization.

1591053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 1591053 is about 1261.3694938439. The cubic root of 1591053 is about 116.7422920108.

The spelling of 1591053 in words is "one million, five hundred ninety-one thousand, fifty-three".