61438283 has 4 divisors (see below), whose sum is σ = 61463088. Its totient is φ = 61413480.

The previous prime is 61438277. The next prime is 61438301. The reversal of 61438283 is 38283416.

It is a happy number.

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 61438283 - 2⁶ = 61438219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61438253) 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, 8216 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (15365772).

Almost surely, 2^61438283 is an apocalyptic number.

61438283 is a deficient number, since it is larger than the sum of its proper divisors (24805).

61438283 is a wasteful number, since it uses less digits than its factorization.

61438283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24804.

The product of its digits is 27648, while the sum is 35.

The square root of 61438283 is about 7838.2576507793. The cubic root of 61438283 is about 394.5902560894.

The spelling of 61438283 in words is "sixty-one million, four hundred thirty-eight thousand, two hundred eighty-three".