61098242 has 4 divisors (see below), whose sum is σ = 91647366. Its totient is φ = 30549120.

The previous prime is 61098229. The next prime is 61098253. The reversal of 61098242 is 24289016.

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., 56085121 + 5013121 = 7489^2 + 2239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61098199 and 61098208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15274559 + ... + 15274562.

Almost surely, 2^61098242 is an apocalyptic number.

61098242 is a deficient number, since it is larger than the sum of its proper divisors (30549124).

61098242 is a wasteful number, since it uses less digits than its factorization.

61098242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30549123.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61098242 is about 7816.5364452550. The cubic root of 61098242 is about 393.8609324793.

The spelling of 61098242 in words is "sixty-one million, ninety-eight thousand, two hundred forty-two".