61102319 has 2 divisors, whose sum is σ = 61102320. Its totient is φ = 61102318.

The previous prime is 61102291. The next prime is 61102339. The reversal of 61102319 is 91320116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61102319 - 2²⁰ = 60053743 is a prime.

It is a super-2 number, since 2×61102319² = 7466986774355522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61102294 and 61102303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61102339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30551159 + 30551160.

It is an arithmetic number, because the mean of its divisors is an integer number (30551160).

Almost surely, 2^61102319 is an apocalyptic number.

61102319 is a deficient number, since it is larger than the sum of its proper divisors (1).

61102319 is an equidigital number, since it uses as much as digits as its factorization.

61102319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 61102319 is about 7816.7972341618. The cubic root of 61102319 is about 393.8696928803.

The spelling of 61102319 in words is "sixty-one million, one hundred two thousand, three hundred nineteen".