2825577949 has 2 divisors, whose sum is σ = 2825577950. Its totient is φ = 2825577948.

The previous prime is 2825577947. The next prime is 2825578013. The reversal of 2825577949 is 9497755282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847452324 + 978125625 = 42982^2 + 31275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825577949 - 2¹ = 2825577947 is a prime.

Together with 2825577947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2825577893 and 2825577902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2825577941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412788974 + 1412788975.

It is an arithmetic number, because the mean of its divisors is an integer number (1412788975).

Almost surely, 2^2825577949 is an apocalyptic number.

It is an amenable number.

2825577949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825577949 is an equidigital number, since it uses as much as digits as its factorization.

2825577949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 58.

The square root of 2825577949 is about 53156.1656724787. The cubic root of 2825577949 is about 1413.7385402107.

The spelling of 2825577949 in words is "two billion, eight hundred twenty-five million, five hundred seventy-seven thousand, nine hundred forty-nine".