61013713 has 4 divisors (see below), whose sum is σ = 61069168. Its totient is φ = 60958260.

The previous prime is 61013707. The next prime is 61013723. The reversal of 61013713 is 31731016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61013713 - 2⁵ = 61013681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61013723) 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, 26043 + ... + 28288.

It is an arithmetic number, because the mean of its divisors is an integer number (15267292).

Almost surely, 2^61013713 is an apocalyptic number.

It is an amenable number.

61013713 is a deficient number, since it is larger than the sum of its proper divisors (55455).

61013713 is a wasteful number, since it uses less digits than its factorization.

61013713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55454.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 61013713 is about 7811.1275114416. The cubic root of 61013713 is about 393.6792140159.

Adding to 61013713 its reverse (31731016), we get a palindrome (92744729).

The spelling of 61013713 in words is "sixty-one million, thirteen thousand, seven hundred thirteen".