61698059 has 8 divisors (see below), whose sum is σ = 62198640. Its totient is φ = 61200000.

The previous prime is 61698053. The next prime is 61698061. The reversal of 61698059 is 95089616.

61698059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61698059 - 2⁸ = 61697803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61698053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102359 + ... + 102959.

It is an arithmetic number, because the mean of its divisors is an integer number (7774830).

Almost surely, 2^61698059 is an apocalyptic number.

61698059 is a deficient number, since it is larger than the sum of its proper divisors (500581).

61698059 is a wasteful number, since it uses less digits than its factorization.

61698059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 61698059 is about 7854.8112007864. The cubic root of 61698059 is about 395.1456152762.

The spelling of 61698059 in words is "sixty-one million, six hundred ninety-eight thousand, fifty-nine".