61136219 has 2 divisors, whose sum is σ = 61136220. Its totient is φ = 61136218.

The previous prime is 61136177. The next prime is 61136261. The reversal of 61136219 is 91263116.

It is a balanced prime because it is at equal distance from previous prime (61136177) and next prime (61136261).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61136219 is a prime.

It is a super-2 number, since 2×61136219² = 7475274547231922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61136191 and 61136200.

It is not a weakly prime, because it can be changed into another prime (61136419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30568109 + 30568110.

It is an arithmetic number, because the mean of its divisors is an integer number (30568110).

Almost surely, 2^61136219 is an apocalyptic number.

61136219 is a deficient number, since it is larger than the sum of its proper divisors (1).

61136219 is an equidigital number, since it uses as much as digits as its factorization.

61136219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 61136219 is about 7818.9653407596. The cubic root of 61136219 is about 393.9425199802.

The spelling of 61136219 in words is "sixty-one million, one hundred thirty-six thousand, two hundred nineteen".