1669253 has 2 divisors, whose sum is σ = 1669254. Its totient is φ = 1669252.

The previous prime is 1669249. The next prime is 1669259. The reversal of 1669253 is 3529661.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1555009 + 114244 = 1247^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669253 - 2² = 1669249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1669259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834626 + 834627.

It is an arithmetic number, because the mean of its divisors is an integer number (834627).

2^1669253 is an apocalyptic number.

It is an amenable number.

1669253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669253 is an equidigital number, since it uses as much as digits as its factorization.

1669253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 1669253 is about 1291.9957430270. The cubic root of 1669253 is about 118.6244071985.

The spelling of 1669253 in words is "one million, six hundred sixty-nine thousand, two hundred fifty-three".