246002021 has 4 divisors (see below), whose sum is σ = 247424172. Its totient is φ = 244579872.

The previous prime is 246001999. The next prime is 246002051. The reversal of 246002021 is 120200642.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213568996 + 32433025 = 14614^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 246002021 - 2¹⁸ = 245739877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246002051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710816 + ... + 711161.

It is an arithmetic number, because the mean of its divisors is an integer number (61856043).

Almost surely, 2^246002021 is an apocalyptic number.

It is an amenable number.

246002021 is a deficient number, since it is larger than the sum of its proper divisors (1422151).

246002021 is a wasteful number, since it uses less digits than its factorization.

246002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422150.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 246002021 is about 15684.4515683527. The cubic root of 246002021 is about 626.5843714867.

Adding to 246002021 its reverse (120200642), we get a palindrome (366202663).

The spelling of 246002021 in words is "two hundred forty-six million, two thousand, twenty-one".