241551 has 6 divisors (see below), whose sum is σ = 348920. Its totient is φ = 161028.

The previous prime is 241543. The next prime is 241559. The reversal of 241551 is 155142.

It is an interprime number because it is at equal distance from previous prime (241543) and next prime (241559).

It is not a de Polignac number, because 241551 - 2³ = 241543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241559) 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 5 ways as a sum of consecutive naturals, for example, 13411 + ... + 13428.

2²⁴¹⁵⁵¹ is an apocalyptic number.

241551 is a deficient number, since it is larger than the sum of its proper divisors (107369).

241551 is a wasteful number, since it uses less digits than its factorization.

241551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845 (or 26842 counting only the distinct ones).

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

The square root of 241551 is about 491.4783820271. The cubic root of 241551 is about 62.2782327056.

Adding to 241551 its reverse (155142), we get a palindrome (396693).

The spelling of 241551 in words is "two hundred forty-one thousand, five hundred fifty-one".