61161283 has 4 divisors (see below), whose sum is σ = 61182720. Its totient is φ = 61139848.

The previous prime is 61161281. The next prime is 61161329. The reversal of 61161283 is 38216116.

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 61161283 - 2¹ = 61161281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61161281) 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, 5635 + ... + 12412.

It is an arithmetic number, because the mean of its divisors is an integer number (15295680).

Almost surely, 2^61161283 is an apocalyptic number.

61161283 is a deficient number, since it is larger than the sum of its proper divisors (21437).

61161283 is a wasteful number, since it uses less digits than its factorization.

61161283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21436.

The product of its digits is 1728, while the sum is 28.

The square root of 61161283 is about 7820.5679461277. The cubic root of 61161283 is about 393.9963474629.

Adding to 61161283 its reverse (38216116), we get a palindrome (99377399).

The spelling of 61161283 in words is "sixty-one million, one hundred sixty-one thousand, two hundred eighty-three".