1053557 has 2 divisors, whose sum is σ = 1053558. Its totient is φ = 1053556.

The previous prime is 1053551. The next prime is 1053571. The reversal of 1053557 is 7553501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749956 + 303601 = 866^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053557 - 2⁸ = 1053301 is a prime.

It is a super-2 number, since 2×1053557² = 2219964704498, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₂₃₇₆ and since 1053557 and 82376 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526778 + 526779.

It is an arithmetic number, because the mean of its divisors is an integer number (526779).

2^1053557 is an apocalyptic number.

It is an amenable number.

1053557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053557 is an equidigital number, since it uses as much as digits as its factorization.

1053557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 1053557 is about 1026.4292474399. The cubic root of 1053557 is about 101.7542784454.

The spelling of 1053557 in words is "one million, fifty-three thousand, five hundred fifty-seven".