61214211 has 20 divisors (see below), whose sum is σ = 93000600. Its totient is φ = 40114656.

The previous prime is 61214159. The next prime is 61214221. The reversal of 61214211 is 11241216.

61214211 is a `hidden beast` number, since 612 + 1 + 42 + 11 = 666.

It is not a de Polignac number, because 61214211 - 2⁹ = 61213699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61214221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1626 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (4650030).

Almost surely, 2^61214211 is an apocalyptic number.

61214211 is a deficient number, since it is larger than the sum of its proper divisors (31786389).

61214211 is a wasteful number, since it uses less digits than its factorization.

61214211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880 (or 12871 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 61214211 is about 7823.9511118105. The cubic root of 61214211 is about 394.1099674151.

Adding to 61214211 its reverse (11241216), we get a palindrome (72455427).

It can be divided in two parts, 61214 and 211, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 61214211 in words is "sixty-one million, two hundred fourteen thousand, two hundred eleven".