61416419 has 2 divisors, whose sum is σ = 61416420. Its totient is φ = 61416418.

The previous prime is 61416409. The next prime is 61416473. The reversal of 61416419 is 91461416.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61416419 - 2²⁰ = 60367843 is a prime.

It is a super-2 number, since 2×61416419² = 7543953045567122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61416409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708209 + 30708210.

It is an arithmetic number, because the mean of its divisors is an integer number (30708210).

Almost surely, 2^61416419 is an apocalyptic number.

61416419 is a deficient number, since it is larger than the sum of its proper divisors (1).

61416419 is an equidigital number, since it uses as much as digits as its factorization.

61416419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 61416419 is about 7836.8628289642. The cubic root of 61416419 is about 394.5434430138.

The spelling of 61416419 in words is "sixty-one million, four hundred sixteen thousand, four hundred nineteen".