825420526 has 16 divisors (see below), whose sum is σ = 1417094784. Its totient is φ = 353229624.

The previous prime is 825420523. The next prime is 825420529. The reversal of 825420526 is 625024528.

It is an interprime number because it is at equal distance from previous prime (825420523) and next prime (825420529).

It is a junction number, because it is equal to n+sod(n) for n = 825420491 and 825420500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825420523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33600 + ... + 52723.

It is an arithmetic number, because the mean of its divisors is an integer number (88568424).

Almost surely, 2^825420526 is an apocalyptic number.

825420526 is a deficient number, since it is larger than the sum of its proper divisors (591674258).

825420526 is a wasteful number, since it uses less digits than its factorization.

825420526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87015.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 825420526 is about 28730.1327181063. The cubic root of 825420526 is about 938.0480568150.

The spelling of 825420526 in words is "eight hundred twenty-five million, four hundred twenty thousand, five hundred twenty-six".