2825629621 has 2 divisors, whose sum is σ = 2825629622. Its totient is φ = 2825629620.

The previous prime is 2825629607. The next prime is 2825629627. The reversal of 2825629621 is 1269265282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2712951396 + 112678225 = 52086^2 + 10615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825629621 - 2⁵ = 2825629589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2825629627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412814810 + 1412814811.

It is an arithmetic number, because the mean of its divisors is an integer number (1412814811).

Almost surely, 2^2825629621 is an apocalyptic number.

It is an amenable number.

2825629621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825629621 is an equidigital number, since it uses as much as digits as its factorization.

2825629621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 2825629621 is about 53156.6517098284. The cubic root of 2825629621 is about 1413.7471579465.

The spelling of 2825629621 in words is "two billion, eight hundred twenty-five million, six hundred twenty-nine thousand, six hundred twenty-one".