61232642 has 4 divisors (see below), whose sum is σ = 91848966. Its totient is φ = 30616320.

The previous prime is 61232641. The next prime is 61232653. The reversal of 61232642 is 24623216.

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

It can be written as a sum of positive squares in only one way, i.e., 51566761 + 9665881 = 7181^2 + 3109^2 .

It is not an unprimeable number, because it can be changed into a prime (61232641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15308159 + ... + 15308162.

Almost surely, 2^61232642 is an apocalyptic number.

61232642 is a deficient number, since it is larger than the sum of its proper divisors (30616324).

61232642 is a wasteful number, since it uses less digits than its factorization.

61232642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616323.

The product of its digits is 3456, while the sum is 26.

The square root of 61232642 is about 7825.1288807278. The cubic root of 61232642 is about 394.1495176643.

Adding to 61232642 its reverse (24623216), we get a palindrome (85855858).

The spelling of 61232642 in words is "sixty-one million, two hundred thirty-two thousand, six hundred forty-two".