82613425 has 12 divisors (see below), whose sum is σ = 107832880. Its totient is φ = 62611920.

The previous prime is 82613423. The next prime is 82613429. The reversal of 82613425 is 52431628.

It is not a de Polignac number, because 82613425 - 2¹ = 82613423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82613423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86487 + ... + 87436.

Almost surely, 2^82613425 is an apocalyptic number.

It is an amenable number.

82613425 is a deficient number, since it is larger than the sum of its proper divisors (25219455).

82613425 is a wasteful number, since it uses less digits than its factorization.

82613425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173952 (or 173947 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 82613425 is about 9089.1927584357. The cubic root of 82613425 is about 435.5287971808.

It can be divided in two parts, 82613 and 425, that added together give a palindrome (83038).

The spelling of 82613425 in words is "eighty-two million, six hundred thirteen thousand, four hundred twenty-five".