61450442 has 4 divisors (see below), whose sum is σ = 92175666. Its totient is φ = 30725220.

The previous prime is 61450409. The next prime is 61450523. The reversal of 61450442 is 24405416.

61450442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 59459521 + 1990921 = 7711^2 + 1411^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15362609 + ... + 15362612.

Almost surely, 2^61450442 is an apocalyptic number.

61450442 is a deficient number, since it is larger than the sum of its proper divisors (30725224).

61450442 is a wasteful number, since it uses less digits than its factorization.

61450442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30725223.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 61450442 is about 7839.0332312091. The cubic root of 61450442 is about 394.6162849551.

Adding to 61450442 its reverse (24405416), we get a palindrome (85855858).

The spelling of 61450442 in words is "sixty-one million, four hundred fifty thousand, four hundred forty-two".