1053591 has 16 divisors (see below), whose sum is σ = 1751808. Its totient is φ = 547200.

The previous prime is 1053589. The next prime is 1053593. The reversal of 1053591 is 1953501.

It is an interprime number because it is at equal distance from previous prime (1053589) and next prime (1053593).

It is not a de Polignac number, because 1053591 - 2¹ = 1053589 is a prime.

It is a super-2 number, since 2×1053591² = 2220107990562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053593) 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, 2050 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (109488).

2^1053591 is an apocalyptic number.

1053591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1053591 is a deficient number, since it is larger than the sum of its proper divisors (698217).

1053591 is a wasteful number, since it uses less digits than its factorization.

1053591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582.

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

The square root of 1053591 is about 1026.4458095779. The cubic root of 1053591 is about 101.7553730257.

The spelling of 1053591 in words is "one million, fifty-three thousand, five hundred ninety-one".