61824542 has 16 divisors (see below), whose sum is σ = 101077200. Its totient is φ = 28189632.

The previous prime is 61824517. The next prime is 61824547. The reversal of 61824542 is 24542816.

It is a junction number, because it is equal to n+sod(n) for n = 61824499 and 61824508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61824547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12167 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (6317325).

Almost surely, 2^61824542 is an apocalyptic number.

61824542 is a deficient number, since it is larger than the sum of its proper divisors (39252658).

61824542 is a wasteful number, since it uses less digits than its factorization.

61824542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28747.

The product of its digits is 15360, while the sum is 32.

The square root of 61824542 is about 7862.8583861087. The cubic root of 61824542 is about 395.4154513646.

The spelling of 61824542 in words is "sixty-one million, eight hundred twenty-four thousand, five hundred forty-two".