61654242 has 48 divisors (see below), whose sum is σ = 136872288. Its totient is φ = 18495360.

The previous prime is 61654231. The next prime is 61654249. The reversal of 61654242 is 24245616.

61654242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61654249) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 40833 + ... + 42315.

It is an arithmetic number, because the mean of its divisors is an integer number (2851506).

Almost surely, 2^61654242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61654242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68436144).

61654242 is an abundant number, since it is smaller than the sum of its proper divisors (75218046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61654242 is a wasteful number, since it uses less digits than its factorization.

61654242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1542 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 61654242 is about 7852.0215231493. The cubic root of 61654242 is about 395.0520510374.

Adding to 61654242 its reverse (24245616), we get a palindrome (85899858).

The spelling of 61654242 in words is "sixty-one million, six hundred fifty-four thousand, two hundred forty-two".