1550241 has 24 divisors (see below), whose sum is σ = 2793024. Its totient is φ = 804960.

The previous prime is 1550233. The next prime is 1550243. The reversal of 1550241 is 1420551.

It is not a de Polignac number, because 1550241 - 2³ = 1550233 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1550243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (116376).

2^1550241 is an apocalyptic number.

1550241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1550241 is a deficient number, since it is larger than the sum of its proper divisors (1242783).

1550241 is a wasteful number, since it uses less digits than its factorization.

1550241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1550241 is about 1245.0867439661. The cubic root of 1550241 is about 115.7354504366.

Adding to 1550241 its reverse (1420551), we get a palindrome (2970792).

The spelling of 1550241 in words is "one million, five hundred fifty thousand, two hundred forty-one".