825013219 has 2 divisors, whose sum is σ = 825013220. Its totient is φ = 825013218.

The previous prime is 825013201. The next prime is 825013229. The reversal of 825013219 is 912310528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825013219 - 2⁹ = 825012707 is a prime.

It is a super-2 number, since 2×825013219² = 1361293623049483922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (825013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412506609 + 412506610.

It is an arithmetic number, because the mean of its divisors is an integer number (412506610).

Almost surely, 2^825013219 is an apocalyptic number.

825013219 is a deficient number, since it is larger than the sum of its proper divisors (1).

825013219 is an equidigital number, since it uses as much as digits as its factorization.

825013219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 825013219 is about 28723.0433450218. The cubic root of 825013219 is about 937.8937369299.

The spelling of 825013219 in words is "eight hundred twenty-five million, thirteen thousand, two hundred nineteen".