2421025 has 12 divisors (see below), whose sum is σ = 3032172. Its totient is φ = 1917440.

The previous prime is 2420993. The next prime is 2421031. The reversal of 2421025 is 5201242.

It can be written as a sum of positive squares in 6 ways, for example, as 107584 + 2313441 = 328^2 + 1521^2 .

It is not a de Polignac number, because 2421025 - 2⁵ = 2420993 is a prime.

It is a super-2 number, since 2×2421025² = 11722724101250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2397 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (252681).

2^2421025 is an apocalyptic number.

2421025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2421025 is a deficient number, since it is larger than the sum of its proper divisors (611147).

2421025 is a wasteful number, since it uses less digits than its factorization.

2421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2421025 is about 1555.9643312107. The cubic root of 2421025 is about 134.2764212996.

Adding to 2421025 its reverse (5201242), we get a palindrome (7622267).

The spelling of 2421025 in words is "two million, four hundred twenty-one thousand, twenty-five".