241621477 has 2 divisors, whose sum is σ = 241621478. Its totient is φ = 241621476.

The previous prime is 241621469. The next prime is 241621481. The reversal of 241621477 is 774126142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229552801 + 12068676 = 15151^2 + 3474^2 .

It is a cyclic number.

It is not a de Polignac number, because 241621477 - 2³ = 241621469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241621577) 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, 120810738 + 120810739.

It is an arithmetic number, because the mean of its divisors is an integer number (120810739).

Almost surely, 2^241621477 is an apocalyptic number.

It is an amenable number.

241621477 is a deficient number, since it is larger than the sum of its proper divisors (1).

241621477 is an equidigital number, since it uses as much as digits as its factorization.

241621477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 241621477 is about 15544.1782349534. The cubic root of 241621477 is about 622.8428906117.

The spelling of 241621477 in words is "two hundred forty-one million, six hundred twenty-one thousand, four hundred seventy-seven".