1552149 has 8 divisors (see below), whose sum is σ = 2299520. Its totient is φ = 1034748.

The previous prime is 1552147. The next prime is 1552169. The reversal of 1552149 is 9412551.

It is not a de Polignac number, because 1552149 - 2¹ = 1552147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 57487 = 1552149 / (1 + 5 + 5 + 2 + 1 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552147) 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 7 ways as a sum of consecutive naturals, for example, 28717 + ... + 28770.

It is an arithmetic number, because the mean of its divisors is an integer number (287440).

2^1552149 is an apocalyptic number.

It is an amenable number.

1552149 is a deficient number, since it is larger than the sum of its proper divisors (747371).

1552149 is an equidigital number, since it uses as much as digits as its factorization.

1552149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57496 (or 57490 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1552149 is about 1245.8527200275. The cubic root of 1552149 is about 115.7829124563.

It can be divided in two parts, 155 and 2149, that added together give a square (2304 = 48²).

The spelling of 1552149 in words is "one million, five hundred fifty-two thousand, one hundred forty-nine".