61424242 has 8 divisors (see below), whose sum is σ = 100512432. Its totient is φ = 27920100.

The previous prime is 61424219. The next prime is 61424243. The reversal of 61424242 is 24242416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61424243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395984 + ... + 1396027.

It is an arithmetic number, because the mean of its divisors is an integer number (12564054).

Almost surely, 2^61424242 is an apocalyptic number.

61424242 is a deficient number, since it is larger than the sum of its proper divisors (39088190).

61424242 is a wasteful number, since it uses less digits than its factorization.

61424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792024.

The product of its digits is 3072, while the sum is 25.

The square root of 61424242 is about 7837.3619286084. The cubic root of 61424242 is about 394.5601941387.

Adding to 61424242 its reverse (24242416), we get a palindrome (85666658).

The spelling of 61424242 in words is "sixty-one million, four hundred twenty-four thousand, two hundred forty-two".