1282553 has 4 divisors (see below), whose sum is σ = 1291920. Its totient is φ = 1273188.

The previous prime is 1282543. The next prime is 1282571. The reversal of 1282553 is 3552821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3552821 = 137 ⋅25933.

It is a cyclic number.

It is not a de Polignac number, because 1282553 - 2⁸ = 1282297 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1282513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 4752.

It is an arithmetic number, because the mean of its divisors is an integer number (322980).

2^1282553 is an apocalyptic number.

It is an amenable number.

1282553 is a deficient number, since it is larger than the sum of its proper divisors (9367).

1282553 is an equidigital number, since it uses as much as digits as its factorization.

1282553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its digits is 2400, while the sum is 26.

The square root of 1282553 is about 1132.4985651205. The cubic root of 1282553 is about 108.6488432676.

The spelling of 1282553 in words is "one million, two hundred eighty-two thousand, five hundred fifty-three".