2428750818025 has 45 divisors (see below), whose sum is σ = 3513936213573. Its totient is φ = 1665167313600.

The previous prime is 2428750818001. The next prime is 2428750818029. The reversal of 2428750818025 is 5208180578242.

It is a happy number.

The square root of 2428750818025 is 1558445.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 381001266009 + 2047749552016 = 617253^2 + 1430996^2 .

It is not a de Polignac number, because 2428750818025 - 2¹⁵ = 2428750785257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428750818029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 381815845 + ... + 381822205.

Almost surely, 2^{2428750818025} is an apocalyptic number.

2428750818025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2428750818025 is the 1558445-th square number.

2428750818025 is the 779223-rd centered octagonal number.

It is an amenable number.

2428750818025 is a deficient number, since it is larger than the sum of its proper divisors (1085185395548).

2428750818025 is an frugal number, since it uses more digits than its factorization.

2428750818025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 2428750818025 in words is "two trillion, four hundred twenty-eight billion, seven hundred fifty million, eight hundred eighteen thousand, twenty-five".