61034559 has 4 divisors (see below), whose sum is σ = 81379416. Its totient is φ = 40689704.

The previous prime is 61034557. The next prime is 61034569. The reversal of 61034559 is 95543016.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61034559 - 2¹ = 61034557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61034551) 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, 10172424 + ... + 10172429.

It is an arithmetic number, because the mean of its divisors is an integer number (20344854).

Almost surely, 2^61034559 is an apocalyptic number.

61034559 is a deficient number, since it is larger than the sum of its proper divisors (20344857).

61034559 is a wasteful number, since it uses less digits than its factorization.

61034559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20344856.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 61034559 is about 7812.4617759065. The cubic root of 61034559 is about 393.7240438420.

The spelling of 61034559 in words is "sixty-one million, thirty-four thousand, five hundred fifty-nine".