2124245425 has 6 divisors (see below), whose sum is σ = 2634064358. Its totient is φ = 1699396320.

The previous prime is 2124245423. The next prime is 2124245441. The reversal of 2124245425 is 5245424212.

It can be written as a sum of positive squares in 3 ways, for example, as 6036849 + 2118208576 = 2457^2 + 46024^2 .

It is not a de Polignac number, because 2124245425 - 2¹ = 2124245423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124245423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42484884 + ... + 42484933.

Almost surely, 2^2124245425 is an apocalyptic number.

2124245425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124245425 is a deficient number, since it is larger than the sum of its proper divisors (509818933).

2124245425 is an equidigital number, since it uses as much as digits as its factorization.

2124245425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84969827 (or 84969822 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 2124245425 is about 46089.5370447567. The cubic root of 2124245425 is about 1285.4886028189.

Adding to 2124245425 its reverse (5245424212), we get a palindrome (7369669637).

The spelling of 2124245425 in words is "two billion, one hundred twenty-four million, two hundred forty-five thousand, four hundred twenty-five".