61982542 has 4 divisors (see below), whose sum is σ = 92973816. Its totient is φ = 30991270.

The previous prime is 61982521. The next prime is 61982581. The reversal of 61982542 is 24528916.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 15495634 + ... + 15495637.

It is an arithmetic number, because the mean of its divisors is an integer number (23243454).

Almost surely, 2^61982542 is an apocalyptic number.

61982542 is a deficient number, since it is larger than the sum of its proper divisors (30991274).

61982542 is a wasteful number, since it uses less digits than its factorization.

61982542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30991273.

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

The square root of 61982542 is about 7872.8992118533. The cubic root of 61982542 is about 395.7520086249.

The spelling of 61982542 in words is "sixty-one million, nine hundred eighty-two thousand, five hundred forty-two".