61715095 has 16 divisors (see below), whose sum is σ = 83224512. Its totient is φ = 43591680.

The previous prime is 61715081. The next prime is 61715099. The reversal of 61715095 is 59051716.

It is not a de Polignac number, because 61715095 - 2⁷ = 61714967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61715095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61715099) 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, 19146 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (5201532).

Almost surely, 2^61715095 is an apocalyptic number.

61715095 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61715095 is a deficient number, since it is larger than the sum of its proper divisors (21509417).

61715095 is a wasteful number, since it uses less digits than its factorization.

61715095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41322.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 61715095 is about 7855.8955568414. The cubic root of 61715095 is about 395.1819809865.

The spelling of 61715095 in words is "sixty-one million, seven hundred fifteen thousand, ninety-five".