82651451 has 8 divisors (see below), whose sum is σ = 85073184. Its totient is φ = 80239680.

The previous prime is 82651447. The next prime is 82651553. The reversal of 82651451 is 15415628.

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

It is not a de Polignac number, because 82651451 - 2² = 82651447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82651441) 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, 16391 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (10634148).

Almost surely, 2^82651451 is an apocalyptic number.

82651451 is a deficient number, since it is larger than the sum of its proper divisors (2421733).

82651451 is a wasteful number, since it uses less digits than its factorization.

82651451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981.

The product of its digits is 9600, while the sum is 32.

The square root of 82651451 is about 9091.2843427098. The cubic root of 82651451 is about 435.5956098797.

The spelling of 82651451 in words is "eighty-two million, six hundred fifty-one thousand, four hundred fifty-one".