825025829 has 2 divisors, whose sum is σ = 825025830. Its totient is φ = 825025828.

The previous prime is 825025823. The next prime is 825025841. The reversal of 825025829 is 928520528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823804804 + 1221025 = 28702^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 825025829 - 2¹⁶ = 824960293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825025823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412512914 + 412512915.

It is an arithmetic number, because the mean of its divisors is an integer number (412512915).

Almost surely, 2^825025829 is an apocalyptic number.

It is an amenable number.

825025829 is a deficient number, since it is larger than the sum of its proper divisors (1).

825025829 is an equidigital number, since it uses as much as digits as its factorization.

825025829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 825025829 is about 28723.2628543486. The cubic root of 825025829 is about 937.8985153502.

The spelling of 825025829 in words is "eight hundred twenty-five million, twenty-five thousand, eight hundred twenty-nine".