61361379 has 24 divisors (see below), whose sum is σ = 91400400. Its totient is φ = 39644160.

The previous prime is 61361371. The next prime is 61361383. The reversal of 61361379 is 97316316.

61361379 is a `hidden beast` number, since 613 + 6 + 1 + 37 + 9 = 666.

61361379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61361379 - 2³ = 61361371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61361371) 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 23 ways as a sum of consecutive naturals, for example, 65587 + ... + 66515.

It is an arithmetic number, because the mean of its divisors is an integer number (3808350).

Almost surely, 2^61361379 is an apocalyptic number.

61361379 is a deficient number, since it is larger than the sum of its proper divisors (30039021).

61361379 is a wasteful number, since it uses less digits than its factorization.

61361379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1152 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 61361379 is about 7833.3504326055. The cubic root of 61361379 is about 394.4255474971.

The spelling of 61361379 in words is "sixty-one million, three hundred sixty-one thousand, three hundred seventy-nine".