4936400225 has 12 divisors (see below), whose sum is σ = 6136413420. Its totient is φ = 3939264000.

The previous prime is 4936400197. The next prime is 4936400239. The reversal of 4936400225 is 5220046394.

It can be written as a sum of positive squares in 6 ways, for example, as 5973136 + 4930427089 = 2444^2 + 70217^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4936400225 is a prime.

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, 236180 + ... + 256229.

It is an arithmetic number, because the mean of its divisors is an integer number (511367785).

Almost surely, 2^4936400225 is an apocalyptic number.

It is an amenable number.

4936400225 is a deficient number, since it is larger than the sum of its proper divisors (1200013195).

4936400225 is a wasteful number, since it uses less digits than its factorization.

4936400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492820 (or 492815 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4936400225 is about 70259.5205292493. The cubic root of 4936400225 is about 1702.6947141709.

The spelling of 4936400225 in words is "four billion, nine hundred thirty-six million, four hundred thousand, two hundred twenty-five".