82473151 has 4 divisors (see below), whose sum is σ = 82495152. Its totient is φ = 82451152.

The previous prime is 82473133. The next prime is 82473161. The reversal of 82473151 is 15137428.

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 82473151 - 2⁵ = 82473119 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 (82473161) 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, 3811 + ... + 13396.

It is an arithmetic number, because the mean of its divisors is an integer number (20623788).

Almost surely, 2^82473151 is an apocalyptic number.

82473151 is a deficient number, since it is larger than the sum of its proper divisors (22001).

82473151 is a wasteful number, since it uses less digits than its factorization.

82473151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000.

The product of its digits is 6720, while the sum is 31.

The square root of 82473151 is about 9081.4729532163. The cubic root of 82473151 is about 435.2821545513.

The spelling of 82473151 in words is "eighty-two million, four hundred seventy-three thousand, one hundred fifty-one".