82993251 has 8 divisors (see below), whose sum is σ = 120717504. Its totient is φ = 50298920.

The previous prime is 82993217. The next prime is 82993259. The reversal of 82993251 is 15239928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82993251 - 2¹⁰ = 82992227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82993259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257441 + ... + 1257506.

It is an arithmetic number, because the mean of its divisors is an integer number (15089688).

Almost surely, 2^82993251 is an apocalyptic number.

82993251 is a deficient number, since it is larger than the sum of its proper divisors (37724253).

82993251 is a wasteful number, since it uses less digits than its factorization.

82993251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514961.

The product of its digits is 38880, while the sum is 39.

The square root of 82993251 is about 9110.0631721191. The cubic root of 82993251 is about 436.1952436865.

The spelling of 82993251 in words is "eighty-two million, nine hundred ninety-three thousand, two hundred fifty-one".