240430061 has 2 divisors, whose sum is σ = 240430062. Its totient is φ = 240430060.

The previous prime is 240430019. The next prime is 240430081. The reversal of 240430061 is 160034042.

It is a happy number.

It is an a-pointer prime, because the next prime (240430081) can be obtained adding 240430061 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240064036 + 366025 = 15494^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 240430061 - 2¹⁰ = 240429037 is a prime.

It is a super-2 number, since 2×240430061² = 115613228464927442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240430081) 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, 120215030 + 120215031.

It is an arithmetic number, because the mean of its divisors is an integer number (120215031).

Almost surely, 2^240430061 is an apocalyptic number.

It is an amenable number.

240430061 is a deficient number, since it is larger than the sum of its proper divisors (1).

240430061 is an equidigital number, since it uses as much as digits as its factorization.

240430061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 240430061 is about 15505.8073314484. The cubic root of 240430061 is about 621.8174740051.

The spelling of 240430061 in words is "two hundred forty million, four hundred thirty thousand, sixty-one".