61286119 has 2 divisors, whose sum is σ = 61286120. Its totient is φ = 61286118.

The previous prime is 61286117. The next prime is 61286131. The reversal of 61286119 is 91168216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61286119 - 2¹ = 61286117 is a prime.

It is a super-2 number, since 2×61286119² = 7511976764164322, which contains 22 as substring.

Together with 61286117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61286111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30643059 + 30643060.

It is an arithmetic number, because the mean of its divisors is an integer number (30643060).

Almost surely, 2^61286119 is an apocalyptic number.

61286119 is a deficient number, since it is larger than the sum of its proper divisors (1).

61286119 is an equidigital number, since it uses as much as digits as its factorization.

61286119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 61286119 is about 7828.5451394241. The cubic root of 61286119 is about 394.2642266385.

The spelling of 61286119 in words is "sixty-one million, two hundred eighty-six thousand, one hundred nineteen".