82357025 has 6 divisors (see below), whose sum is σ = 102122742. Its totient is φ = 65885600.

The previous prime is 82357007. The next prime is 82357031. The reversal of 82357025 is 52075328.

It can be written as a sum of positive squares in 3 ways, for example, as 73984 + 82283041 = 272^2 + 9071^2 .

It is not a de Polignac number, because 82357025 - 2⁶ = 82356961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82356982 and 82357000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1647116 + ... + 1647165.

It is an arithmetic number, because the mean of its divisors is an integer number (17020457).

Almost surely, 2^82357025 is an apocalyptic number.

It is an amenable number.

82357025 is a deficient number, since it is larger than the sum of its proper divisors (19765717).

82357025 is a wasteful number, since it uses less digits than its factorization.

82357025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294291 (or 3294286 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 82357025 is about 9075.0771346584. The cubic root of 82357025 is about 435.0777594729.

The spelling of 82357025 in words is "eighty-two million, three hundred fifty-seven thousand, twenty-five".