61325073 has 16 divisors (see below), whose sum is σ = 91224000. Its totient is φ = 40716000.

The previous prime is 61325071. The next prime is 61325087. The reversal of 61325073 is 37052316.

It is a happy number.

It is not a de Polignac number, because 61325073 - 2¹ = 61325071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61325071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (5701500).

Almost surely, 2^61325073 is an apocalyptic number.

It is an amenable number.

61325073 is a deficient number, since it is larger than the sum of its proper divisors (29898927).

61325073 is a wasteful number, since it uses less digits than its factorization.

61325073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 61325073 is about 7831.0326905205. The cubic root of 61325073 is about 394.3477415581.

Adding to 61325073 its reverse (37052316), we get a palindrome (98377389).

The spelling of 61325073 in words is "sixty-one million, three hundred twenty-five thousand, seventy-three".