240216061 has 2 divisors, whose sum is σ = 240216062. Its totient is φ = 240216060.

The previous prime is 240216049. The next prime is 240216091. The reversal of 240216061 is 160612042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238239225 + 1976836 = 15435^2 + 1406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240216061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240216091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120108030 + 120108031.

It is an arithmetic number, because the mean of its divisors is an integer number (120108031).

Almost surely, 2^240216061 is an apocalyptic number.

It is an amenable number.

240216061 is a deficient number, since it is larger than the sum of its proper divisors (1).

240216061 is an equidigital number, since it uses as much as digits as its factorization.

240216061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 240216061 is about 15498.9051548811. The cubic root of 240216061 is about 621.6329318576.

The spelling of 240216061 in words is "two hundred forty million, two hundred sixteen thousand, sixty-one".