1448551 has 4 divisors (see below), whose sum is σ = 1559992. Its totient is φ = 1337112.

The previous prime is 1448533. The next prime is 1448569. The reversal of 1448551 is 1558441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1558441 = 17 ⋅91673.

It is an interprime number because it is at equal distance from previous prime (1448533) and next prime (1448569).

It is a cyclic number.

It is not a de Polignac number, because 1448551 - 2⁷ = 1448423 is a prime.

It is a Duffinian number.

1448551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55701 + ... + 55726.

It is an arithmetic number, because the mean of its divisors is an integer number (389998).

2^1448551 is an apocalyptic number.

1448551 is a deficient number, since it is larger than the sum of its proper divisors (111441).

1448551 is a wasteful number, since it uses less digits than its factorization.

1448551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111440.

The product of its digits is 3200, while the sum is 28.

The square root of 1448551 is about 1203.5576429901. The cubic root of 1448551 is about 113.1474046769.

The spelling of 1448551 in words is "one million, four hundred forty-eight thousand, five hundred fifty-one".