83257030 has 32 divisors (see below), whose sum is σ = 157522464. Its totient is φ = 31643136.

The previous prime is 83257001. The next prime is 83257037. The reversal of 83257030 is 3075238.

It is a self number, because there is not a number n which added to its sum of digits gives 83257030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83257037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13294 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (4922577).

Almost surely, 2^83257030 is an apocalyptic number.

83257030 is a deficient number, since it is larger than the sum of its proper divisors (74265434).

83257030 is a wasteful number, since it uses less digits than its factorization.

83257030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 83257030 is about 9124.5290289417. The cubic root of 83257030 is about 436.6568774554.

The spelling of 83257030 in words is "eighty-three million, two hundred fifty-seven thousand, thirty".