1552081 has 4 divisors (see below), whose sum is σ = 1585152. Its totient is φ = 1519012.

The previous prime is 1552079. The next prime is 1552087. The reversal of 1552081 is 1802551.

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: 1802551 = 97 ⋅18583.

It is a cyclic number.

It is not a de Polignac number, because 1552081 - 2¹ = 1552079 is a prime.

It is a super-2 number, since 2×1552081² = 4817910861122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16465 + ... + 16558.

It is an arithmetic number, because the mean of its divisors is an integer number (396288).

2^1552081 is an apocalyptic number.

It is an amenable number.

1552081 is a deficient number, since it is larger than the sum of its proper divisors (33071).

1552081 is an equidigital number, since it uses as much as digits as its factorization.

1552081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33070.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1552081 is about 1245.8254291834. The cubic root of 1552081 is about 115.7812216063.

The spelling of 1552081 in words is "one million, five hundred fifty-two thousand, eighty-one".