1655263 has 2 divisors, whose sum is σ = 1655264. Its totient is φ = 1655262.

The previous prime is 1655257. The next prime is 1655279. The reversal of 1655263 is 3625561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1655263 - 2⁵ = 1655231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827631 + 827632.

It is an arithmetic number, because the mean of its divisors is an integer number (827632).

2^1655263 is an apocalyptic number.

1655263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655263 is an equidigital number, since it uses as much as digits as its factorization.

1655263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 1655263 is about 1286.5702468190. The cubic root of 1655263 is about 118.2920802221.

The spelling of 1655263 in words is "one million, six hundred fifty-five thousand, two hundred sixty-three".