836213425 has 24 divisors (see below), whose sum is σ = 1121285376. Its totient is φ = 616208640.

The previous prime is 836213393. The next prime is 836213501. The reversal of 836213425 is 524312638.

It is not a de Polignac number, because 836213425 - 2⁵ = 836213393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 957 + ... + 40906.

It is an arithmetic number, because the mean of its divisors is an integer number (46720224).

Almost surely, 2^836213425 is an apocalyptic number.

836213425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

836213425 is a deficient number, since it is larger than the sum of its proper divisors (285071951).

836213425 is a wasteful number, since it uses less digits than its factorization.

836213425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41937 (or 41932 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 836213425 is about 28917.3550830639. The cubic root of 836213425 is about 942.1188903513.

It can be divided in two parts, 836213 and 425, that added together give a palindrome (836638).

The spelling of 836213425 in words is "eight hundred thirty-six million, two hundred thirteen thousand, four hundred twenty-five".