61243030 has 8 divisors (see below), whose sum is σ = 110237472. Its totient is φ = 24497208.

The previous prime is 61242977. The next prime is 61243057. The reversal of 61243030 is 3034216.

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

It is a junction number, because it is equal to n+sod(n) for n = 61242989 and 61243007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062142 + ... + 3062161.

It is an arithmetic number, because the mean of its divisors is an integer number (13779684).

Almost surely, 2^61243030 is an apocalyptic number.

61243030 is a deficient number, since it is larger than the sum of its proper divisors (48994442).

61243030 is a wasteful number, since it uses less digits than its factorization.

61243030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124310.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 61243030 is about 7825.7926116145. The cubic root of 61243030 is about 394.1718053067.

Adding to 61243030 its reverse (3034216), we get a palindrome (64277246).

The spelling of 61243030 in words is "sixty-one million, two hundred forty-three thousand, thirty".