82297951 has 4 divisors (see below), whose sum is σ = 82322152. Its totient is φ = 82273752.

The previous prime is 82297939. The next prime is 82297961. The reversal of 82297951 is 15979228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82297951 - 2¹³ = 82289759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82297898 and 82297907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82297921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5961 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (20580538).

Almost surely, 2^82297951 is an apocalyptic number.

82297951 is a deficient number, since it is larger than the sum of its proper divisors (24201).

82297951 is a wasteful number, since it uses less digits than its factorization.

82297951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24200.

The product of its digits is 90720, while the sum is 43.

The square root of 82297951 is about 9071.8218126240. The cubic root of 82297951 is about 434.9737087206.

The spelling of 82297951 in words is "eighty-two million, two hundred ninety-seven thousand, nine hundred fifty-one".