1090253 has 6 divisors (see below), whose sum is σ = 1112202. Its totient is φ = 1068720.

The previous prime is 1090249. The next prime is 1090267. The reversal of 1090253 is 3520901.

It can be written as a sum of positive squares in 3 ways, for example, as 4489 + 1085764 = 67^2 + 1042^2 .

It is not a de Polignac number, because 1090253 - 2² = 1090249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3575 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (185367).

2^1090253 is an apocalyptic number.

It is an amenable number.

1090253 is a deficient number, since it is larger than the sum of its proper divisors (21949).

1090253 is an frugal number, since it uses more digits than its factorization.

1090253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1090253 is about 1044.1518088860. The cubic root of 1090253 is about 102.9222085196.

The spelling of 1090253 in words is "one million, ninety thousand, two hundred fifty-three".