83305025 has 24 divisors (see below), whose sum is σ = 110097120. Its totient is φ = 62346240.

The previous prime is 83305021. The next prime is 83305031. The reversal of 83305025 is 52050338.

It is not a de Polignac number, because 83305025 - 2² = 83305021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83304985 and 83305003.

It is not an unprimeable number, because it can be changed into a prime (83305021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38369 + ... + 40481.

It is an arithmetic number, because the mean of its divisors is an integer number (4587380).

Almost surely, 2^83305025 is an apocalyptic number.

It is an amenable number.

83305025 is a deficient number, since it is larger than the sum of its proper divisors (26792095).

83305025 is a wasteful number, since it uses less digits than its factorization.

83305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 83305025 is about 9127.1586487800. The cubic root of 83305025 is about 436.7407675527.

It can be divided in two parts, 8 and 3305025, that added together give a palindrome (3305033).

The spelling of 83305025 in words is "eighty-three million, three hundred five thousand, twenty-five".