82619425 has 12 divisors (see below), whose sum is σ = 117083776. Its totient is φ = 56653200.

The previous prime is 82619423. The next prime is 82619443. The reversal of 82619425 is 52491628.

It is not a de Polignac number, because 82619425 - 2¹ = 82619423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82619423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235881 + ... + 236230.

Almost surely, 2^82619425 is an apocalyptic number.

It is an amenable number.

82619425 is a deficient number, since it is larger than the sum of its proper divisors (34464351).

82619425 is a wasteful number, since it uses less digits than its factorization.

82619425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472128 (or 472123 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 82619425 is about 9089.5228147577. The cubic root of 82619425 is about 435.5393407033.

The spelling of 82619425 in words is "eighty-two million, six hundred nineteen thousand, four hundred twenty-five".