1552823 has 4 divisors (see below), whose sum is σ = 1558128. Its totient is φ = 1547520.

The previous prime is 1552819. The next prime is 1552843. The reversal of 1552823 is 3282551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552823 - 2² = 1552819 is a prime.

It is a super-2 number, since 2×1552823² = 4822518538658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1552792 and 1552801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552843) 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, 2186 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (389532).

2^1552823 is an apocalyptic number.

1552823 is a deficient number, since it is larger than the sum of its proper divisors (5305).

1552823 is an equidigital number, since it uses as much as digits as its factorization.

1552823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

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

The square root of 1552823 is about 1246.1231881319. The cubic root of 1552823 is about 115.7996690928.

It can be divided in two parts, 15528 and 23, that added together give a palindrome (15551).

The spelling of 1552823 in words is "one million, five hundred fifty-two thousand, eight hundred twenty-three".