246621225 has 24 divisors (see below), whose sum is σ = 412339680. Its totient is φ = 130049920.

The previous prime is 246621209. The next prime is 246621247. The reversal of 246621225 is 522126642.

It is a happy number.

It is not a de Polignac number, because 246621225 - 2⁴ = 246621209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 246621192 and 246621201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11799 + ... + 25148.

It is an arithmetic number, because the mean of its divisors is an integer number (17180820).

Almost surely, 2^246621225 is an apocalyptic number.

246621225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

246621225 is a deficient number, since it is larger than the sum of its proper divisors (165718455).

246621225 is a wasteful number, since it uses less digits than its factorization.

246621225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37049 (or 37044 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 246621225 is about 15704.1785840584. The cubic root of 246621225 is about 627.1096496598.

Adding to 246621225 its reverse (522126642), we get a palindrome (768747867).

The spelling of 246621225 in words is "two hundred forty-six million, six hundred twenty-one thousand, two hundred twenty-five".