61466969 has 4 divisors (see below), whose sum is σ = 61501860. Its totient is φ = 61432080.

The previous prime is 61466963. The next prime is 61466981. The reversal of 61466969 is 96966416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 61418569 = 220^2 + 7837^2 .

It is a cyclic number.

It is not a de Polignac number, because 61466969 - 2¹² = 61462873 is a prime.

It is a super-2 number, since 2×61466969² = 7556376556093922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61466963) 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, 14654 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (15375465).

Almost surely, 2^61466969 is an apocalyptic number.

It is an amenable number.

61466969 is a deficient number, since it is larger than the sum of its proper divisors (34891).

61466969 is a wasteful number, since it uses less digits than its factorization.

61466969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34890.

The product of its digits is 419904, while the sum is 47.

The square root of 61466969 is about 7840.0873081873. The cubic root of 61466969 is about 394.6516589277.

The spelling of 61466969 in words is "sixty-one million, four hundred sixty-six thousand, nine hundred sixty-nine".