61295905 has 8 divisors (see below), whose sum is σ = 80241984. Its totient is φ = 44578800.

The previous prime is 61295903. The next prime is 61295909. The reversal of 61295905 is 50959216.

61295905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61295905 - 2¹ = 61295903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61295903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557181 + ... + 557290.

It is an arithmetic number, because the mean of its divisors is an integer number (10030248).

Almost surely, 2^61295905 is an apocalyptic number.

It is an amenable number.

61295905 is a deficient number, since it is larger than the sum of its proper divisors (18946079).

61295905 is a wasteful number, since it uses less digits than its factorization.

61295905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114487.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 61295905 is about 7829.1701348227. The cubic root of 61295905 is about 394.2852105331.

The spelling of 61295905 in words is "sixty-one million, two hundred ninety-five thousand, nine hundred five".