241651 has 2 divisors, whose sum is σ = 241652. Its totient is φ = 241650.

The previous prime is 241643. The next prime is 241663. The reversal of 241651 is 156142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241651 - 2³ = 241643 is a prime.

It is a super-3 number, since 3×241651³ = 42333779631052353, which contains 333 as substring.

It is equal to p₂₁₃₅₈ and since 241651 and 21358 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (241601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120825 + 120826.

It is an arithmetic number, because the mean of its divisors is an integer number (120826).

2²⁴¹⁶⁵¹ is an apocalyptic number.

241651 is a deficient number, since it is larger than the sum of its proper divisors (1).

241651 is an equidigital number, since it uses as much as digits as its factorization.

241651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 241651 is about 491.5801053745. The cubic root of 241651 is about 62.2868257344.

Adding to 241651 its reverse (156142), we get a palindrome (397793).

The spelling of 241651 in words is "two hundred forty-one thousand, six hundred fifty-one".