61701311 has 8 divisors (see below), whose sum is σ = 72421920. Its totient is φ = 51457248.

The previous prime is 61701307. The next prime is 61701329. The reversal of 61701311 is 11310716.

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

It is a cyclic number.

It is not a de Polignac number, because 61701311 - 2² = 61701307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61701361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118856 + ... + 119373.

It is an arithmetic number, because the mean of its divisors is an integer number (9052740).

Almost surely, 2^61701311 is an apocalyptic number.

61701311 is a deficient number, since it is larger than the sum of its proper divisors (10720609).

61701311 is a wasteful number, since it uses less digits than its factorization.

61701311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238273.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 61701311 is about 7855.0182049439. The cubic root of 61701311 is about 395.1525576392.

The spelling of 61701311 in words is "sixty-one million, seven hundred one thousand, three hundred eleven".