61326847 has 4 divisors (see below), whose sum is σ = 61344216. Its totient is φ = 61309480.

The previous prime is 61326833. The next prime is 61326877. The reversal of 61326847 is 74862316.

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 61326847 - 2⁷ = 61326719 is a prime.

It is a super-2 number, since 2×61326847² = 7521964325922818, 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 (61326827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (15336054).

Almost surely, 2^61326847 is an apocalyptic number.

61326847 is a deficient number, since it is larger than the sum of its proper divisors (17369).

61326847 is a wasteful number, since it uses less digits than its factorization.

61326847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368.

The product of its digits is 48384, while the sum is 37.

The square root of 61326847 is about 7831.1459570104. The cubic root of 61326847 is about 394.3515440602.

The spelling of 61326847 in words is "sixty-one million, three hundred twenty-six thousand, eight hundred forty-seven".