61146419 has 2 divisors, whose sum is σ = 61146420. Its totient is φ = 61146418.

The previous prime is 61146403. The next prime is 61146439. The reversal of 61146419 is 91464116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61146419 - 2⁴ = 61146403 is a prime.

It is a super-2 number, since 2×61146419² = 7477769113047122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61146439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30573209 + 30573210.

It is an arithmetic number, because the mean of its divisors is an integer number (30573210).

Almost surely, 2^61146419 is an apocalyptic number.

61146419 is a deficient number, since it is larger than the sum of its proper divisors (1).

61146419 is an equidigital number, since it uses as much as digits as its factorization.

61146419 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 61146419 is about 7819.6175737692. The cubic root of 61146419 is about 393.9644272899.

The spelling of 61146419 in words is "sixty-one million, one hundred forty-six thousand, four hundred nineteen".