82015954 has 4 divisors (see below), whose sum is σ = 123023934. Its totient is φ = 41007976.

The previous prime is 82015943. The next prime is 82015961. The reversal of 82015954 is 45951028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 5890329 = 8725^2 + 2427^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20503987 + ... + 20503990.

Almost surely, 2^82015954 is an apocalyptic number.

82015954 is a deficient number, since it is larger than the sum of its proper divisors (41007980).

82015954 is a wasteful number, since it uses less digits than its factorization.

82015954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41007979.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 82015954 is about 9056.2660075773. The cubic root of 82015954 is about 434.4763223017.

The spelling of 82015954 in words is "eighty-two million, fifteen thousand, nine hundred fifty-four".