4252777546261 has 4 divisors (see below), whose sum is σ = 4252919387500. Its totient is φ = 4252635705024.

The previous prime is 4252777546247. The next prime is 4252777546289. The reversal of 4252777546261 is 1626457772524.

4252777546261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1887241265361 + 2365536280900 = 1373769^2 + 1538030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252777546261 - 2¹³ = 4252777538069 is a prime.

It is a super-2 number, since 2×4252777546261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4252777546196 and 4252777546205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252777546201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70875636 + ... + 70935613.

It is an arithmetic number, because the mean of its divisors is an integer number (1063229846875).

Almost surely, 2^{4252777546261} is an apocalyptic number.

It is an amenable number.

4252777546261 is a deficient number, since it is larger than the sum of its proper divisors (141841239).

4252777546261 is a wasteful number, since it uses less digits than its factorization.

4252777546261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141841238.

The product of its digits is 39513600, while the sum is 58.

The spelling of 4252777546261 in words is "four trillion, two hundred fifty-two billion, seven hundred seventy-seven million, five hundred forty-six thousand, two hundred sixty-one".