61326117 has 24 divisors (see below), whose sum is σ = 91338624. Its totient is φ = 39629184.

The previous prime is 61326113. The next prime is 61326121. The reversal of 61326117 is 71162316.

It is an interprime number because it is at equal distance from previous prime (61326113) and next prime (61326121).

It is not a de Polignac number, because 61326117 - 2² = 61326113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61326113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47158 + ... + 48440.

It is an arithmetic number, because the mean of its divisors is an integer number (3805776).

Almost surely, 2^61326117 is an apocalyptic number.

It is an amenable number.

61326117 is a deficient number, since it is larger than the sum of its proper divisors (30012507).

61326117 is a wasteful number, since it uses less digits than its factorization.

61326117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1446 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 61326117 is about 7831.0993481120. The cubic root of 61326117 is about 394.3499793416.

It can be divided in two parts, 613261 and 17, that added together give a triangular number (613278 = T₁₁₀₇).

The spelling of 61326117 in words is "sixty-one million, three hundred twenty-six thousand, one hundred seventeen".