61488113 has 2 divisors, whose sum is σ = 61488114. Its totient is φ = 61488112.

The previous prime is 61488083. The next prime is 61488157. The reversal of 61488113 is 31188416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 13490929 = 6928^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 61488113 - 2¹⁰ = 61487089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61488113.

It is not a weakly prime, because it can be changed into another prime (61484113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30744056 + 30744057.

It is an arithmetic number, because the mean of its divisors is an integer number (30744057).

Almost surely, 2^61488113 is an apocalyptic number.

It is an amenable number.

61488113 is a deficient number, since it is larger than the sum of its proper divisors (1).

61488113 is an equidigital number, since it uses as much as digits as its factorization.

61488113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 61488113 is about 7841.4356466147. The cubic root of 61488113 is about 394.6969057662.

The spelling of 61488113 in words is "sixty-one million, four hundred eighty-eight thousand, one hundred thirteen".