61395159 has 16 divisors (see below), whose sum is σ = 96573440. Its totient is φ = 33950880.

The previous prime is 61395157. The next prime is 61395167. The reversal of 61395159 is 95159316.

It is not a de Polignac number, because 61395159 - 2¹ = 61395157 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61395151) 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, 46504 + ... + 47805.

It is an arithmetic number, because the mean of its divisors is an integer number (6035840).

Almost surely, 2^61395159 is an apocalyptic number.

61395159 is a deficient number, since it is larger than the sum of its proper divisors (35178281).

61395159 is a wasteful number, since it uses less digits than its factorization.

61395159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94350.

The product of its digits is 36450, while the sum is 39.

The square root of 61395159 is about 7835.5063014460. The cubic root of 61395159 is about 394.4979125092.

The spelling of 61395159 in words is "sixty-one million, three hundred ninety-five thousand, one hundred fifty-nine".