61005419 has 2 divisors, whose sum is σ = 61005420. Its totient is φ = 61005418.

The previous prime is 61005403. The next prime is 61005457. The reversal of 61005419 is 91450016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61005419 - 2⁴ = 61005403 is a prime.

It is a super-2 number, since 2×61005419² = 7443322294731122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61005479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30502709 + 30502710.

It is an arithmetic number, because the mean of its divisors is an integer number (30502710).

Almost surely, 2^61005419 is an apocalyptic number.

61005419 is a deficient number, since it is larger than the sum of its proper divisors (1).

61005419 is an equidigital number, since it uses as much as digits as its factorization.

61005419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 61005419 is about 7810.5965841285. The cubic root of 61005419 is about 393.6613747291.

The spelling of 61005419 in words is "sixty-one million, five thousand, four hundred nineteen".