1585253 has 2 divisors, whose sum is σ = 1585254. Its totient is φ = 1585252.

The previous prime is 1585249. The next prime is 1585261. The reversal of 1585253 is 3525851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 667489 = 958^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1585253 - 2² = 1585249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1588253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 792626 + 792627.

It is an arithmetic number, because the mean of its divisors is an integer number (792627).

2^1585253 is an apocalyptic number.

It is an amenable number.

1585253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1585253 is an equidigital number, since it uses as much as digits as its factorization.

1585253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 29.

The square root of 1585253 is about 1259.0683063281. The cubic root of 1585253 is about 116.6002624380.

The spelling of 1585253 in words is "one million, five hundred eighty-five thousand, two hundred fifty-three".