82411951 has 8 divisors (see below), whose sum is σ = 84998144. Its totient is φ = 79856280.

The previous prime is 82411907. The next prime is 82411991. The reversal of 82411951 is 15911428.

It is a happy number.

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 82411951 - 2²¹ = 80314799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82411991) 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, 2085 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (10624768).

Almost surely, 2^82411951 is an apocalyptic number.

82411951 is a deficient number, since it is larger than the sum of its proper divisors (2586193).

82411951 is a wasteful number, since it uses less digits than its factorization.

82411951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261.

The product of its digits is 2880, while the sum is 31.

The square root of 82411951 is about 9078.1028304376. The cubic root of 82411951 is about 435.1744594629.

The spelling of 82411951 in words is "eighty-two million, four hundred eleven thousand, nine hundred fifty-one".