61707113 has 4 divisors (see below), whose sum is σ = 66453828. Its totient is φ = 56960400.

The previous prime is 61707103. The next prime is 61707167. The reversal of 61707113 is 31170716.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2601769 + 59105344 = 1613^2 + 7688^2 .

It is a cyclic number.

It is not a de Polignac number, because 61707113 - 2⁶ = 61707049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61707103) 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, 2373338 + ... + 2373363.

It is an arithmetic number, because the mean of its divisors is an integer number (16613457).

Almost surely, 2^61707113 is an apocalyptic number.

It is an amenable number.

61707113 is a deficient number, since it is larger than the sum of its proper divisors (4746715).

61707113 is a wasteful number, since it uses less digits than its factorization.

61707113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746714.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 61707113 is about 7855.3875143114. The cubic root of 61707113 is about 395.1649431312.

Adding to 61707113 its reverse (31170716), we get a palindrome (92877829).

The spelling of 61707113 in words is "sixty-one million, seven hundred seven thousand, one hundred thirteen".