61355411 has 4 divisors (see below), whose sum is σ = 66075072. Its totient is φ = 56635752.

The previous prime is 61355381. The next prime is 61355423. The reversal of 61355411 is 11455316.

61355411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61355411 - 2¹⁰ = 61354387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61355471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359811 + ... + 2359836.

It is an arithmetic number, because the mean of its divisors is an integer number (16518768).

Almost surely, 2^61355411 is an apocalyptic number.

61355411 is a deficient number, since it is larger than the sum of its proper divisors (4719661).

61355411 is a wasteful number, since it uses less digits than its factorization.

61355411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719660.

The product of its digits is 1800, while the sum is 26.

The square root of 61355411 is about 7832.9694880039. The cubic root of 61355411 is about 394.4127598228.

The spelling of 61355411 in words is "sixty-one million, three hundred fifty-five thousand, four hundred eleven".