25252775050 has 12 divisors (see below), whose sum is σ = 46970161686. Its totient is φ = 10101110000.

The previous prime is 25252775029. The next prime is 25252775111. The reversal of 25252775050 is 5057725252.

It can be written as a sum of positive squares in 3 ways, for example, as 19123294369 + 6129480681 = 138287^2 + 78291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25252774994 and 25252775012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252527701 + ... + 252527800.

Almost surely, 2^25252775050 is an apocalyptic number.

25252775050 is a deficient number, since it is larger than the sum of its proper divisors (21717386636).

25252775050 is a wasteful number, since it uses less digits than its factorization.

25252775050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505055513 (or 505055508 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 40.

The spelling of 25252775050 in words is "twenty-five billion, two hundred fifty-two million, seven hundred seventy-five thousand, fifty".