61394 has 4 divisors (see below), whose sum is σ = 92094. Its totient is φ = 30696.

The previous prime is 61381. The next prime is 61403. The reversal of 61394 is 49316.

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

It can be written as a sum of positive squares in only one way, i.e., 60025 + 1369 = 245^2 + 37^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15347 + ... + 15350.

2⁶¹³⁹⁴ is an apocalyptic number.

61394 is a deficient number, since it is larger than the sum of its proper divisors (30700).

61394 is a wasteful number, since it uses less digits than its factorization.

61394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699.

The product of its digits is 648, while the sum is 23.

The square root of 61394 is about 247.7781265568. The cubic root of 61394 is about 39.4495430088.

It can be divided in two parts, 613 and 94, that added together give a palindrome (707).

The spelling of 61394 in words is "sixty-one thousand, three hundred ninety-four".