61412911 has 4 divisors (see below), whose sum is σ = 70186192. Its totient is φ = 52639632.

The previous prime is 61412903. The next prime is 61412947. The reversal of 61412911 is 11921416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61412911 - 2³ = 61412903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61412951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386630 + ... + 4386643.

It is an arithmetic number, because the mean of its divisors is an integer number (17546548).

Almost surely, 2^61412911 is an apocalyptic number.

61412911 is a deficient number, since it is larger than the sum of its proper divisors (8773281).

61412911 is an equidigital number, since it uses as much as digits as its factorization.

61412911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773280.

The product of its digits is 432, while the sum is 25.

The square root of 61412911 is about 7836.6390117192. The cubic root of 61412911 is about 394.5359309903.

The spelling of 61412911 in words is "sixty-one million, four hundred twelve thousand, nine hundred eleven".