82481505 has 8 divisors (see below), whose sum is σ = 131970432. Its totient is φ = 43990128.

The previous prime is 82481471. The next prime is 82481507. The reversal of 82481505 is 50518428.

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

It is not a de Polignac number, because 82481505 - 2¹¹ = 82479457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82481507) 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, 2749369 + ... + 2749398.

It is an arithmetic number, because the mean of its divisors is an integer number (16496304).

Almost surely, 2^82481505 is an apocalyptic number.

It is an amenable number.

82481505 is a deficient number, since it is larger than the sum of its proper divisors (49488927).

82481505 is a wasteful number, since it uses less digits than its factorization.

82481505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498775.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 82481505 is about 9081.9328889835. The cubic root of 82481505 is about 435.2968511498.

The spelling of 82481505 in words is "eighty-two million, four hundred eighty-one thousand, five hundred five".