61584113 has 2 divisors, whose sum is σ = 61584114. Its totient is φ = 61584112.

The previous prime is 61584109. The next prime is 61584119. The reversal of 61584113 is 31148516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38850289 + 22733824 = 6233^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 61584113 - 2² = 61584109 is a prime.

It is not a weakly prime, because it can be changed into another prime (61584119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30792056 + 30792057.

It is an arithmetic number, because the mean of its divisors is an integer number (30792057).

Almost surely, 2^61584113 is an apocalyptic number.

It is an amenable number.

61584113 is a deficient number, since it is larger than the sum of its proper divisors (1).

61584113 is an equidigital number, since it uses as much as digits as its factorization.

61584113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 61584113 is about 7847.5545872584. The cubic root of 61584113 is about 394.9022094083.

The spelling of 61584113 in words is "sixty-one million, five hundred eighty-four thousand, one hundred thirteen".