61352117 has 2 divisors, whose sum is σ = 61352118. Its totient is φ = 61352116.

The previous prime is 61352051. The next prime is 61352119. The reversal of 61352117 is 71125316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61324561 + 27556 = 7831^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 61352117 - 2¹⁰ = 61351093 is a prime.

Together with 61352119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61352119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30676058 + 30676059.

It is an arithmetic number, because the mean of its divisors is an integer number (30676059).

Almost surely, 2^61352117 is an apocalyptic number.

It is an amenable number.

61352117 is a deficient number, since it is larger than the sum of its proper divisors (1).

61352117 is an equidigital number, since it uses as much as digits as its factorization.

61352117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 61352117 is about 7832.7592200961. The cubic root of 61352117 is about 394.4057013914.

The spelling of 61352117 in words is "sixty-one million, three hundred fifty-two thousand, one hundred seventeen".