252780555325 has 6 divisors (see below), whose sum is σ = 313447888634. Its totient is φ = 202224444240.

The previous prime is 252780555323. The next prime is 252780555389. The reversal of 252780555325 is 523555087252.

It can be written as a sum of positive squares in 3 ways, for example, as 5256395001 + 247524160324 = 72501^2 + 497518^2 .

It is not a de Polignac number, because 252780555325 - 2¹ = 252780555323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252780555323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5055611082 + ... + 5055611131.

Almost surely, 2^252780555325 is an apocalyptic number.

252780555325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252780555325 is a deficient number, since it is larger than the sum of its proper divisors (60667333309).

252780555325 is a wasteful number, since it uses less digits than its factorization.

252780555325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111222223 (or 10111222218 counting only the distinct ones).

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 252780555325 in words is "two hundred fifty-two billion, seven hundred eighty million, five hundred fifty-five thousand, three hundred twenty-five".