61316893 has 8 divisors (see below), whose sum is σ = 67016736. Its totient is φ = 55638000.

The previous prime is 61316869. The next prime is 61316911. The reversal of 61316893 is 39861316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61316893 - 2¹⁷ = 61185821 is a prime.

It is a super-2 number, since 2×61316893² = 7519522734346898, 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 (61316863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (8377092).

Almost surely, 2^61316893 is an apocalyptic number.

It is an amenable number.

61316893 is a deficient number, since it is larger than the sum of its proper divisors (5699843).

61316893 is a wasteful number, since it uses less digits than its factorization.

61316893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475.

The product of its digits is 23328, while the sum is 37.

The square root of 61316893 is about 7830.5103920498. The cubic root of 61316893 is about 394.3302070881.

The spelling of 61316893 in words is "sixty-one million, three hundred sixteen thousand, eight hundred ninety-three".