61713501 has 16 divisors (see below), whose sum is σ = 86946240. Its totient is φ = 38828160.

The previous prime is 61713497. The next prime is 61713503. The reversal of 61713501 is 10531716.

It is not a de Polignac number, because 61713501 - 2² = 61713497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61713503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14091 + ... + 17943.

It is an arithmetic number, because the mean of its divisors is an integer number (5434140).

Almost surely, 2^61713501 is an apocalyptic number.

It is an amenable number.

61713501 is a deficient number, since it is larger than the sum of its proper divisors (25232739).

61713501 is a wasteful number, since it uses less digits than its factorization.

61713501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 61713501 is about 7855.7941037173. The cubic root of 61713501 is about 395.1785786557.

The spelling of 61713501 in words is "sixty-one million, seven hundred thirteen thousand, five hundred one".