2124250225 has 12 divisors (see below), whose sum is σ = 2640340060. Its totient is φ = 1695355200.

The previous prime is 2124250223. The next prime is 2124250241. The reversal of 2124250225 is 5220524212.

It can be written as a sum of positive squares in 6 ways, for example, as 730945296 + 1393304929 = 27036^2 + 37327^2 .

It is not a de Polignac number, because 2124250225 - 2¹ = 2124250223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2124250225.

It is not an unprimeable number, because it can be changed into a prime (2124250223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90390 + ... + 111439.

Almost surely, 2^2124250225 is an apocalyptic number.

2124250225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124250225 is a deficient number, since it is larger than the sum of its proper divisors (516089835).

2124250225 is a wasteful number, since it uses less digits than its factorization.

2124250225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202260 (or 202255 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2124250225 is about 46089.5891172833. The cubic root of 2124250225 is about 1285.4895710593.

Adding to 2124250225 its reverse (5220524212), we get a palindrome (7344774437).

The spelling of 2124250225 in words is "two billion, one hundred twenty-four million, two hundred fifty thousand, two hundred twenty-five".