61300225 has 36 divisors (see below), whose sum is σ = 89254704. Its totient is φ = 41640480.

The previous prime is 61300223. The next prime is 61300259. The reversal of 61300225 is 52200316.

It is a happy number.

61300225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61300225 - 2¹ = 61300223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61300223) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 199522 + ... + 199828.

Almost surely, 2^61300225 is an apocalyptic number.

It is an amenable number.

61300225 is a deficient number, since it is larger than the sum of its proper divisors (27954479).

61300225 is a wasteful number, since it uses less digits than its factorization.

61300225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 61300225 is about 7829.4460212712. The cubic root of 61300225 is about 394.2944730991.

Subtracting from 61300225 its reverse (52200316), we obtain a palindrome (9099909).

The spelling of 61300225 in words is "sixty-one million, three hundred thousand, two hundred twenty-five".