2525378652736 has 63 divisors (see below), whose sum is σ = 5036729753673. Its totient is φ = 1256313680640.

The previous prime is 2525378652673. The next prime is 2525378652739. The reversal of 2525378652736 is 6372568735252.

The square root of 2525378652736 is 1589144.

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

It can be written as a sum of positive squares in only one way, i.e., 2470555240000 + 54823412736 = 1571800^2 + 234144^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525378652739) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3445263826 + ... + 3445264558.

Almost surely, 2^{2525378652736} is an apocalyptic number.

2525378652736 is the 1589144-th square number.

It is an amenable number.

2525378652736 is a deficient number, since it is larger than the sum of its proper divisors (2511351100937).

2525378652736 is an frugal number, since it uses more digits than its factorization.

2525378652736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 1006 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 61.

The spelling of 2525378652736 in words is "two trillion, five hundred twenty-five billion, three hundred seventy-eight million, six hundred fifty-two thousand, seven hundred thirty-six".