61239119 has 2 divisors, whose sum is σ = 61239120. Its totient is φ = 61239118.

The previous prime is 61239077. The next prime is 61239127. The reversal of 61239119 is 91193216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61239119 - 2¹² = 61235023 is a prime.

It is a super-2 number, since 2×61239119² = 7500459391792322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61239169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30619559 + 30619560.

It is an arithmetic number, because the mean of its divisors is an integer number (30619560).

Almost surely, 2^61239119 is an apocalyptic number.

61239119 is a deficient number, since it is larger than the sum of its proper divisors (1).

61239119 is an equidigital number, since it uses as much as digits as its factorization.

61239119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 61239119 is about 7825.5427287825. The cubic root of 61239119 is about 394.1634144811.

The spelling of 61239119 in words is "sixty-one million, two hundred thirty-nine thousand, one hundred nineteen".