61015065 has 16 divisors (see below), whose sum is σ = 99895488. Its totient is φ = 31784256.

The previous prime is 61015063. The next prime is 61015121. The reversal of 61015065 is 56051016.

It is not a de Polignac number, because 61015065 - 2¹ = 61015063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61015063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46654 + ... + 47943.

It is an arithmetic number, because the mean of its divisors is an integer number (6243468).

Almost surely, 2^61015065 is an apocalyptic number.

It is an amenable number.

61015065 is a deficient number, since it is larger than the sum of its proper divisors (38880423).

61015065 is a wasteful number, since it uses less digits than its factorization.

61015065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94648.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 61015065 is about 7811.2140541660. The cubic root of 61015065 is about 393.6821218341.

The spelling of 61015065 in words is "sixty-one million, fifteen thousand, sixty-five".