246142213 has 2 divisors, whose sum is σ = 246142214. Its totient is φ = 246142212.

The previous prime is 246142153. The next prime is 246142219. The reversal of 246142213 is 312241642.

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., 244547044 + 1595169 = 15638^2 + 1263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246142213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246142219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123071106 + 123071107.

It is an arithmetic number, because the mean of its divisors is an integer number (123071107).

Almost surely, 2^246142213 is an apocalyptic number.

It is an amenable number.

246142213 is a deficient number, since it is larger than the sum of its proper divisors (1).

246142213 is an equidigital number, since it uses as much as digits as its factorization.

246142213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 246142213 is about 15688.9200711840. The cubic root of 246142213 is about 626.7033751634.

Adding to 246142213 its reverse (312241642), we get a palindrome (558383855).

The spelling of 246142213 in words is "two hundred forty-six million, one hundred forty-two thousand, two hundred thirteen".