825652369 has 2 divisors, whose sum is σ = 825652370. Its totient is φ = 825652368.

The previous prime is 825652351. The next prime is 825652381. The reversal of 825652369 is 963256528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780923025 + 44729344 = 27945^2 + 6688^2 .

It is a cyclic number.

It is not a de Polignac number, because 825652369 - 2⁹ = 825651857 is a prime.

It is a super-2 number, since 2×825652369² = 1363403668870624322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (825652769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412826184 + 412826185.

It is an arithmetic number, because the mean of its divisors is an integer number (412826185).

Almost surely, 2^825652369 is an apocalyptic number.

It is an amenable number.

825652369 is a deficient number, since it is larger than the sum of its proper divisors (1).

825652369 is an equidigital number, since it uses as much as digits as its factorization.

825652369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 825652369 is about 28734.1672752144. The cubic root of 825652369 is about 938.1358744830.

The spelling of 825652369 in words is "eight hundred twenty-five million, six hundred fifty-two thousand, three hundred sixty-nine".