4248778425 has 12 divisors (see below), whose sum is σ = 7024647120. Its totient is φ = 2266015120.

The previous prime is 4248778421. The next prime is 4248778441. The reversal of 4248778425 is 5248778424.

It is not a de Polignac number, because 4248778425 - 2² = 4248778421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4248778421) 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, 28325115 + ... + 28325264.

It is an arithmetic number, because the mean of its divisors is an integer number (585387260).

Almost surely, 2^4248778425 is an apocalyptic number.

It is an amenable number.

4248778425 is a deficient number, since it is larger than the sum of its proper divisors (2775868695).

4248778425 is a wasteful number, since it uses less digits than its factorization.

4248778425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56650392 (or 56650387 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 51.

The square root of 4248778425 is about 65182.6543261319. The cubic root of 4248778425 is about 1619.6506924816.

Subtracting 4248778425 from its reverse (5248778424), we obtain a palindrome (999999999).

The spelling of 4248778425 in words is "four billion, two hundred forty-eight million, seven hundred seventy-eight thousand, four hundred twenty-five".