61116325 has 6 divisors (see below), whose sum is σ = 75784274. Its totient is φ = 48893040.

The previous prime is 61116323. The next prime is 61116329. The reversal of 61116325 is 52361116.

It can be written as a sum of positive squares in 3 ways, for example, as 3690241 + 57426084 = 1921^2 + 7578^2 .

It is not a de Polignac number, because 61116325 - 2¹ = 61116323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2444653 = 61116325 / (6 + 1 + 1 + 1 + 6 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61116325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222302 + ... + 1222351.

Almost surely, 2^61116325 is an apocalyptic number.

It is an amenable number.

61116325 is a deficient number, since it is larger than the sum of its proper divisors (14667949).

61116325 is a wasteful number, since it uses less digits than its factorization.

61116325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444663 (or 2444658 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 61116325 is about 7817.6930740468. The cubic root of 61116325 is about 393.8997851232.

The spelling of 61116325 in words is "sixty-one million, one hundred sixteen thousand, three hundred twenty-five".