2825752381 has 2 divisors, whose sum is σ = 2825752382. Its totient is φ = 2825752380.

The previous prime is 2825752379. The next prime is 2825752387. The reversal of 2825752381 is 1832575282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2366336025 + 459416356 = 48645^2 + 21434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825752381 - 2¹ = 2825752379 is a prime.

It is a super-2 number, since 2×2825752381² = 15969753037454338322, which contains 22 as substring.

Together with 2825752379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2825752387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412876190 + 1412876191.

It is an arithmetic number, because the mean of its divisors is an integer number (1412876191).

Almost surely, 2^2825752381 is an apocalyptic number.

It is an amenable number.

2825752381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825752381 is an equidigital number, since it uses as much as digits as its factorization.

2825752381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 2825752381 is about 53157.8063975556. The cubic root of 2825752381 is about 1413.7676311520.

The spelling of 2825752381 in words is "two billion, eight hundred twenty-five million, seven hundred fifty-two thousand, three hundred eighty-one".