61084659 has 4 divisors (see below), whose sum is σ = 81446216. Its totient is φ = 40723104.

The previous prime is 61084657. The next prime is 61084679. The reversal of 61084659 is 95648016.

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

It is not a de Polignac number, because 61084659 - 2¹ = 61084657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61084651) 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, 10180774 + ... + 10180779.

It is an arithmetic number, because the mean of its divisors is an integer number (20361554).

Almost surely, 2^61084659 is an apocalyptic number.

61084659 is a deficient number, since it is larger than the sum of its proper divisors (20361557).

61084659 is a wasteful number, since it uses less digits than its factorization.

61084659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361556.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 61084659 is about 7815.6675338707. The cubic root of 61084659 is about 393.8317433714.

The spelling of 61084659 in words is "sixty-one million, eighty-four thousand, six hundred fifty-nine".