82913481 has 24 divisors (see below), whose sum is σ = 137115264. Its totient is φ = 47295360.

The previous prime is 82913477. The next prime is 82913483. The reversal of 82913481 is 18431928.

It is not a de Polignac number, because 82913481 - 2² = 82913477 is a prime.

It is a super-2 number, since 2×82913481² = 13749290663074722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82913483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60241 + ... + 61601.

It is an arithmetic number, because the mean of its divisors is an integer number (5713136).

Almost surely, 2^82913481 is an apocalyptic number.

It is an amenable number.

82913481 is a deficient number, since it is larger than the sum of its proper divisors (54201783).

82913481 is a wasteful number, since it uses less digits than its factorization.

82913481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2338 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 82913481 is about 9105.6839940775. The cubic root of 82913481 is about 436.0554473854.

The spelling of 82913481 in words is "eighty-two million, nine hundred thirteen thousand, four hundred eighty-one".