61361319 has 16 divisors (see below), whose sum is σ = 83204352. Its totient is φ = 40218048.

The previous prime is 61361257. The next prime is 61361351. The reversal of 61361319 is 91316316.

61361319 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 61361319 - 2⁷ = 61361191 is a prime.

It is a super-2 number, since 2×61361319² = 7530422938839522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61361359) 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 15 ways as a sum of consecutive naturals, for example, 65019 + ... + 65955.

It is an arithmetic number, because the mean of its divisors is an integer number (5200272).

Almost surely, 2^61361319 is an apocalyptic number.

61361319 is a deficient number, since it is larger than the sum of its proper divisors (21843033).

61361319 is a wasteful number, since it uses less digits than its factorization.

61361319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its digits is 2916, while the sum is 30.

The square root of 61361319 is about 7833.3466028256. The cubic root of 61361319 is about 394.4254189388.

The spelling of 61361319 in words is "sixty-one million, three hundred sixty-one thousand, three hundred nineteen".