825125479 has 2 divisors, whose sum is σ = 825125480. Its totient is φ = 825125478.

The previous prime is 825125461. The next prime is 825125513. The reversal of 825125479 is 974521528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825125479 - 2¹⁹ = 824601191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825125449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412562739 + 412562740.

It is an arithmetic number, because the mean of its divisors is an integer number (412562740).

Almost surely, 2^825125479 is an apocalyptic number.

825125479 is a deficient number, since it is larger than the sum of its proper divisors (1).

825125479 is an equidigital number, since it uses as much as digits as its factorization.

825125479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 825125479 is about 28724.9974586596. The cubic root of 825125479 is about 937.9362749051.

The spelling of 825125479 in words is "eight hundred twenty-five million, one hundred twenty-five thousand, four hundred seventy-nine".