61063669 has 4 divisors (see below), whose sum is σ = 62362944. Its totient is φ = 59764396.

The previous prime is 61063657. The next prime is 61063679. The reversal of 61063669 is 96636016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61063669 - 2¹¹ = 61061621 is a prime.

It is a super-2 number, since 2×61063669² = 7457543343483122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61063679) 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, 649567 + ... + 649660.

It is an arithmetic number, because the mean of its divisors is an integer number (15590736).

Almost surely, 2^61063669 is an apocalyptic number.

It is an amenable number.

61063669 is a deficient number, since it is larger than the sum of its proper divisors (1299275).

61063669 is a wasteful number, since it uses less digits than its factorization.

61063669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299274.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 61063669 is about 7814.3246029327. The cubic root of 61063669 is about 393.7866285233.

The spelling of 61063669 in words is "sixty-one million, sixty-three thousand, six hundred sixty-nine".