82961542 has 4 divisors (see below), whose sum is σ = 124442316. Its totient is φ = 41480770.

The previous prime is 82961539. The next prime is 82961551. The reversal of 82961542 is 24516928.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20740384 + ... + 20740387.

It is an arithmetic number, because the mean of its divisors is an integer number (31110579).

Almost surely, 2^82961542 is an apocalyptic number.

82961542 is a deficient number, since it is larger than the sum of its proper divisors (41480774).

82961542 is a wasteful number, since it uses less digits than its factorization.

82961542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41480773.

The product of its digits is 34560, while the sum is 37.

The square root of 82961542 is about 9108.3226776394. The cubic root of 82961542 is about 436.1396846433.

The spelling of 82961542 in words is "eighty-two million, nine hundred sixty-one thousand, five hundred forty-two".