61387083 has 12 divisors (see below), whose sum is σ = 88746528. Its totient is φ = 40889520.

The previous prime is 61387063. The next prime is 61387103. The reversal of 61387083 is 38078316.

61387083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61387063) and next prime (61387103).

It is not a de Polignac number, because 61387083 - 2⁶ = 61387019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61387013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12238 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (7395544).

Almost surely, 2^61387083 is an apocalyptic number.

61387083 is a deficient number, since it is larger than the sum of its proper divisors (27359445).

61387083 is a wasteful number, since it uses less digits than its factorization.

61387083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 61387083 is about 7834.9909380930. The cubic root of 61387083 is about 394.4806141592.

The spelling of 61387083 in words is "sixty-one million, three hundred eighty-seven thousand, eighty-three".