241545631 has 2 divisors, whose sum is σ = 241545632. Its totient is φ = 241545630.

The previous prime is 241545607. The next prime is 241545649. The reversal of 241545631 is 136545142.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 241545631 - 2¹⁷ = 241414559 is a prime.

It is a super-2 number, since 2×241545631² = 116688583710376322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 241545593 and 241545602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241545671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120772815 + 120772816.

It is an arithmetic number, because the mean of its divisors is an integer number (120772816).

Almost surely, 2^241545631 is an apocalyptic number.

241545631 is a deficient number, since it is larger than the sum of its proper divisors (1).

241545631 is an equidigital number, since it uses as much as digits as its factorization.

241545631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 241545631 is about 15541.7383519348. The cubic root of 241545631 is about 622.7777127885. Note that the first 4 decimals are identical.

The spelling of 241545631 in words is "two hundred forty-one million, five hundred forty-five thousand, six hundred thirty-one".