61030711 has 4 divisors (see below), whose sum is σ = 69749392. Its totient is φ = 52312032.

The previous prime is 61030709. The next prime is 61030729. The reversal of 61030711 is 11703016.

It is a happy number.

61030711 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 61030711 - 2¹ = 61030709 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 (61030811) 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, 4359330 + ... + 4359343.

It is an arithmetic number, because the mean of its divisors is an integer number (17437348).

Almost surely, 2^61030711 is an apocalyptic number.

61030711 is a deficient number, since it is larger than the sum of its proper divisors (8718681).

61030711 is an equidigital number, since it uses as much as digits as its factorization.

61030711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718680.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 61030711 is about 7812.2154988198. The cubic root of 61030711 is about 393.7157693934.

Adding to 61030711 its reverse (11703016), we get a palindrome (72733727).

The spelling of 61030711 in words is "sixty-one million, thirty thousand, seven hundred eleven".