61240211 has 16 divisors (see below), whose sum is σ = 66422400. Its totient is φ = 56282688.

The previous prime is 61240187. The next prime is 61240219. The reversal of 61240211 is 11204216.

It is a cyclic number.

It is not a de Polignac number, because 61240211 - 2⁶ = 61240147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61240211.

It is not an unprimeable number, because it can be changed into a prime (61240219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92600 + ... + 93258.

It is an arithmetic number, because the mean of its divisors is an integer number (4151400).

Almost surely, 2^61240211 is an apocalyptic number.

61240211 is a deficient number, since it is larger than the sum of its proper divisors (5182189).

61240211 is a wasteful number, since it uses less digits than its factorization.

61240211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 61240211 is about 7825.6124999900. The cubic root of 61240211 is about 394.1657573402.

Adding to 61240211 its reverse (11204216), we get a palindrome (72444427).

The spelling of 61240211 in words is "sixty-one million, two hundred forty thousand, two hundred eleven".