61200245 has 8 divisors (see below), whose sum is σ = 73664160. Its totient is φ = 48810960.

The previous prime is 61200239. The next prime is 61200247. The reversal of 61200245 is 54200216.

It is a happy number.

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

It is not a de Polignac number, because 61200245 - 2¹⁶ = 61134709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61200247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16835 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (9208020).

Almost surely, 2^61200245 is an apocalyptic number.

It is an amenable number.

61200245 is a deficient number, since it is larger than the sum of its proper divisors (12463915).

61200245 is a wasteful number, since it uses less digits than its factorization.

61200245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37315.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 61200245 is about 7823.0585450960. The cubic root of 61200245 is about 394.0799931201.

The spelling of 61200245 in words is "sixty-one million, two hundred thousand, two hundred forty-five".