61039005 has 8 divisors (see below), whose sum is σ = 97662432. Its totient is φ = 32554128.

The previous prime is 61039003. The next prime is 61039021. The reversal of 61039005 is 50093016.

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

It is not a de Polignac number, because 61039005 - 2¹ = 61039003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61039003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034619 + ... + 2034648.

It is an arithmetic number, because the mean of its divisors is an integer number (12207804).

Almost surely, 2^61039005 is an apocalyptic number.

It is an amenable number.

61039005 is a deficient number, since it is larger than the sum of its proper divisors (36623427).

61039005 is a wasteful number, since it uses less digits than its factorization.

61039005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069275.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 61039005 is about 7812.7463161170. The cubic root of 61039005 is about 393.7336037516.

The spelling of 61039005 in words is "sixty-one million, thirty-nine thousand, five".