61313671 has 2 divisors, whose sum is σ = 61313672. Its totient is φ = 61313670.

The previous prime is 61313647. The next prime is 61313711. The reversal of 61313671 is 17631316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61313671 - 2⁹ = 61313159 is a prime.

It is equal to p_3635407 and since 61313671 and 3635407 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61310671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30656835 + 30656836.

It is an arithmetic number, because the mean of its divisors is an integer number (30656836).

Almost surely, 2^61313671 is an apocalyptic number.

61313671 is a deficient number, since it is larger than the sum of its proper divisors (1).

61313671 is an equidigital number, since it uses as much as digits as its factorization.

61313671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 61313671 is about 7830.3046556312. The cubic root of 61313671 is about 394.3233000509.

Adding to 61313671 its reverse (17631316), we get a palindrome (78944987).

The spelling of 61313671 in words is "sixty-one million, three hundred thirteen thousand, six hundred seventy-one".