246261221 has 4 divisors (see below), whose sum is σ = 250435200. Its totient is φ = 242087244.

The previous prime is 246261203. The next prime is 246261227. The reversal of 246261221 is 122162642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 246261221 - 2²⁶ = 179152357 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 (246261227) 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 in 3 ways as a sum of consecutive naturals, for example, 2086901 + ... + 2087018.

It is an arithmetic number, because the mean of its divisors is an integer number (62608800).

Almost surely, 2^246261221 is an apocalyptic number.

It is an amenable number.

246261221 is a deficient number, since it is larger than the sum of its proper divisors (4173979).

246261221 is an equidigital number, since it uses as much as digits as its factorization.

246261221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173978.

The product of its digits is 2304, while the sum is 26.

The square root of 246261221 is about 15692.7123531912. The cubic root of 246261221 is about 626.8043610901.

The spelling of 246261221 in words is "two hundred forty-six million, two hundred sixty-one thousand, two hundred twenty-one".