1053817 has 2 divisors, whose sum is σ = 1053818. Its totient is φ = 1053816.

The previous prime is 1053809. The next prime is 1053821. The reversal of 1053817 is 7183501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 251001 = 896^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053817 - 2³ = 1053809 is a prime.

It is a super-2 number, since 2×1053817² = 2221060538978, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1053791 and 1053800.

It is not a weakly prime, because it can be changed into another prime (1053827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526908 + 526909.

It is an arithmetic number, because the mean of its divisors is an integer number (526909).

2^1053817 is an apocalyptic number.

It is an amenable number.

1053817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053817 is an equidigital number, since it uses as much as digits as its factorization.

1053817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1053817 is about 1026.5558922923. Note that the first 3 decimals coincide. The cubic root of 1053817 is about 101.7626481670.

The spelling of 1053817 in words is "one million, fifty-three thousand, eight hundred seventeen".